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1. AL f ELEPORT The Telescoping Telescope j Owners Manual TELEPORT is designed hand crafted by Tom Noe 972 442 5456 tomnoeQwtd net 4030 Hwy 78 Wylie TX 75098 Owners Manual 2 1 Teleport 2001 Manual Design Linda Silas The Annex Studios 972 429 1636 www annexstudios com TELEPORT 10 The Telescoping Telescope Owners M anual 2 1 PG 4 5 6 7 8 10 11 12 14 16 18 20 22 23 CONTENTS Overview Handling amp Safety Unpacking Getting Started Opening Closing Collimation The Finder Eyepieces Observing Electrical Cleaning Service Specifications As you read through this manual watch for the following symbols ity Caution gt ip Note Observation Enclosed with your telescope you will also find a user s manual for the Protostar Diagonal Mount Assembly used in the Teleport Overview top plate ander carrying strap baseplate altitude ring shroud strut clamps serial plate accessories drawer spider secondary mirror Fig1 The 10 Teleport closed 9 eyepiece focuser friction damper alititude ring altitude bearing shroud upper clamp lower clamp cover primary mirror cell accessories e power supply ground board Fig 2 The 10 Teleport open Handling 6 Safety The Teleport is a precise lightweight very portable 10 reflecting telescope It has a Ne2. The fan will actually increase the amount of mirror distortion at first since it increases its rate of tem perature change The benefit is that it approaches final temperature and full image quality in less time Turn the fan off once the mirror is stabilized usually a quarter to a half hour but possibly longer with large changes in temperature If a sudden change in temperature occurs while observing the fan may be used again as needed Secondary Heat Atmospheric conditions will often cause dew to form on surfaces at night especially those able to radiate their heat toward the dark sky If this seems imminent switch the secondary heat on before dew begins to form Once significant dew has formed on the secondary consider able time may be needed to remove it Under light dew conditions operate the heater only part time to conserve the batteries A red LED in the spider hub indicates when the heater 15 on Eyepiece Heater Dew may also form on eyepieces or on the finder beam plate A Kendrick eyepiece heater may be wrapped snugly around the eyepiece Fig 27 moving it part time to the finder if needed The finder element may also be wiped gently with tissue if needed It is not an expensive optical surface like the secondary mirror or eyepiece X M Fig 27 heating the The eyepiece heater is on when it is plugged eyepiece in so do not leave it plugged in when not needed its power draw is much higher than the secondar
3. eyepiece field to see the star is still centered and repeat as needed 5 Toimprove the alignment accuracy change to a medium power eyepiece about 10mm and repeat the procedure Fig 22 Finder alignment Storage Be sure to remove the finder from the secondary cage baseplate and place it on it s storage baseplate before closing your scope Battery The Rigel Finder uses a BR2032 or CR2032 three volt lithium battery or equivalent These are readily available in the photo departments of department or electronics stores To replace remove the finder from its base push out the battery and slip in the new one being careful to get the polarity correct 13 Eyepieces Teleports 2 focuser and 1 25 adapter allow the use of many different eyepieces Many types are available with a wide range of features quality and price Over the past several years have evalu ated many of the better types for use with the Teleport As a group 1 have found none as good overall as the Pentax XL series Pentax Eyepieces Desirable attributes of the Pentax XL series include Ideal selection of focal lengths in logical steps throughout the range Full 20mm eye relief in all focal lengths Wide 65 apparent field of view which I find ideal the 28mm is 55 High brightness contrast and sharpness Weights closely matched throughout the entire set Parfocal to a very close tolerance 7 Very effective adjustable rubb
4. horizontal over the scope and rest its left edge on top ofthe rocker box left side Align and insert its right edge into the right side rocker box slot Use the same caution here as when opening Never pull up on the plate while it is inserted into only one slot Grasp the left altitude ring through its opening and pull ittothe left while pulling the strap tothe right just enough for the plate to clear the left rocker box side Lower the left side of the plate to align with the slot and release the rocker box side so it will close onto the plate Push the rocker box sides in to insurethe plate is fully into both slots before lifting the scope by its strap C ollimation Any optical system must be properly collimated for best image quality Collimation procedures can become bit involved as indicated by the many articles and books in telescope literature The design and construction of the Teleport leaves only two variables that will nor mally need to be checked namely the angles of both mirrors Laser Gollimation The fastest and easiest way to collimate your scope is with a Teleport Laser Collimator or other laser collimation tool Briefly this procedure is 1 Insert the collimator into the focuser 2 Adjust the secondary alignment screws so the laser spot falls inside the ring in the center of the primary mirror 3 Adjust the primary collimation screws so the returning beam falls back onto the source in the center of the co
5. in place Extend and Clamp the Struts ity When opening or closing the Teleport never release it completely unless at least one strut has both clamps locked or it may fall and be damaged 1 Stand in front of the scope facing the power supply 2 Insert the fingertips of both hands into the top opening of the secondary cage and grasp it at about 3 and 9 o clock Fig 15 3 Lift up smoothly and evenly with both hands stretching the shroud and extend ing the scope to its full height Fig 15 Grasp the 4 Still holding the secondary cage up firmly secondary cage with your right hand fingertips move your left hand to grasp the left strut upper section and hold up on it 5 Continuing to lift firmly with your left hand almost enough to lift the scope from the ground tighten both left strut clamps with your right Fig 16 6 Grasp the right strut upper section firmly with your right hand and again hold upward enough to a most lift the scope 7 Continuing to lift firmly with your right hand tighten both right strut clamps with your left 8 Rotate the scope 180 and repeat steps 4 5 amp 6 again holding up firmly on the top strut section so it is fully extended to its stop while you tighten the clamps 9 Movethe finder from its storage position to the secondary cage see Mounting on page 12 10 Open the eyepiece drawer place an the drawer The first time may take some doing but with p
6. the lower right cell post lock nut while holding the screw Fig 12 Turn the screw back and forth enough to raise and lower the mirror Hold it near thetop of its travel range with m A the screwdriver while retightening the lock nut Fig 12 Adjust the sling 7 Opening Opening the Teleport takes less than a minute once you are familiar with the procedure Its very easy but improperly performing some steps can cause collimation error reducing the image quality It can also cause poor stability and even damage Practice the steps exactly to form good habits right from the start Remove the Top Plate 1 Orient the scope to read the caution label on the top plate 2 Grasp inside the left altitude ring opening with your left hand and the left end of the A carrying strap with your right 31 3 Keepthetop plate horizontal and pull your two hands apart just enough for the top plate to clear the slot in the left side of the rocker box Fig 12 when you push it tothe right 4 Tilttheleft side of the top plate up just enough to clear the top of the rocker box and move the plate to the left until it is out ofthe right slot Fig 13 ity Never tilt the left side of the top plate up more than an inch Fig 14 The tremendous leverage you have on the slot could split the top edge of the rocker box 5 Placethetop plate on the right side of the scope about an inch above the ground align the velcro and press it
7. to the outside and tighten the nut Hold the cell near the rear of the mirror box and plug in the fan cord Align the posts with the holes in the mirror box opening and place the cell flat against the rear of the box with the screw holes aligned Install the six screws leaving them slightly loose until all are started Tighten the six screws until snug Check the mirror sling adjustment per page 7 Collimate per the instructions on page 11 Cleaning the Secondary Refer also to the Protostar Manual included with your Teleport 1 2 B 10 11 12 13 14 Loosen the secondary mount center nut a turn with 9 16 wrench H old the secondary mirror assembly with one hand and removethe nut with the other Slide the assembly down enough to allow access tothe tiny heater wire connector between the mount and the spider hub and unplug it Remove the assembly completely from the scope Hold the assembly so the mirror surface is horizontal facing up and remove the two shroud screws Slide the shoud off then lift the mirror away from its mount The back surface of the mirror will be coated with heat transfer compound Scrape it off the mirror and return it to the center opening of the foam pad Dont get it on the mirror surface Wipe any remaining compound from the back of the mirror Clean and dry per the same procedure as the primary Place the clean dry mirror onto the heat ransfer compound on the pad
8. two red rings Turn down the brightness to the lowest level that lets you see the two red rings 1 2 and 2 degrees against the sky you have Setting the rings too bright can make it hard to see dim stars Fig 20 Brightness control Pulse Adjust the small white knob Fig 21 beside the black brightness knob to control the duration of on and off time for pulsing or set for continuous on as you prefer I find that on and off ti mes of a few seconds let me see the zz rately while it s on i faintest stars while it s off and align accu Fig 21 Pulse control Ez Finding Objects Look directly at the star or other object or the area of the sky you want to aim at Keeping both eyes open movethe Teleport so that the finder comes between one eye and where you want to aim Position it so the object or area is centered in thecircles Finder Alignment 1 With a long focal length eyepiece about 40mm if possible in place follow the above procedure to aim the Teleport at a bright star Polaris is good since it moves so slowly through the field 2 Look through the eyepiece If the star is not in the field sweep the scope that area of the sky until it appears and then center it 3 Look through the finder with both eyes open and adjust the three white screws Fig 22 to shift the red rings so the star is centered Use care to avoid moving the scope when you do this 4 Check the
9. As with the opening procedure perform the steps in a precise and consistent way practicing to make it easier and to minimize the potential for an accident Prepare and Lower the Secondary Cage B Ww NP o Aim the scope straight up and turn it so the finder is facing you Remove the finder and clip it in the storage position Remove the eyepiece place it in the drawer and close the drawer Grasp the top section of the left strut with your left hand and loosen its upper and lower clamps each 1 2 turn with your right Reverse hands and repeat step 4 for the right strut Rotate the scope 180 and repeat 4 5 for the other two struts Be sure to support the secondary cage by holding up on the top section of a strut or on the secondary cage itself at all times Grasp the secondary cage inside its top opening with both hands and lower it into the mirror box while keeping the scope pointed fully vertical the mirror box should stay against the rocker box front plate A wiggle may sometimes be needed to help the struts retract fully Form the habit of always holding one of the upper strut sections Never release the upper cage after loosening the clamps until you have lowered it gently into the mirror box Install the Top Plate 1 10 With the scope turned so the power supply faces you grasp the top plate at the lower end of its strap and lift it out bottom first from the velcro on the side of the rocker box Hold it
10. Slide the shroud on so its rimis just snug on the mirror edge as it was before removal Insert and tighten the two shroud screws Slide the mount stem through the spider hub and to plug in the heater connector Rotate the assembly carefully to tuck the wire between the hub and mirror mount and align the three detents in the dutch plate with the three collimation screws Install thelock nut and tighten gently with the wrench about 1 6 turn beyond finger tight Collimate the scope per the instructions on page 11 21 Instructions for some procedures follow For other service questions just send an email or give me call Cleaning Clean the optics only when really necessary following the instructions in the prior section Wipe the laminated bearing surfaces and the remainder of the scope with a damp cloth then a clean dry one Nuts and Bolts Periodically check all fasteners for proper tightness to insure stability and top performance Do not overtighten screws particularly those threaded into the Apple Ply structures Strut Clamp Adjustment It is desirablethat the strut clamp knobs are at a right angletothe strut when properly tight With wear this may change and can easily be adjusted 1 Note which direction and how far you wish the knob to be turned 2 With the strut extended loosen the knob about 5 turns 3 Push the knob in against the spring so the hex head of the screw is out of its socket 4 Rotatethe k
11. Supply 6 C size alkaline Finder 1 BR2032 CR2032 Li 23 TELEPORT 972 442 5456 tomnoe wtd net 4030 N Hwy 78 Wylie TX 75098
12. e can be used with the Teleport though some may impose problems Wide variation in weight effects the balance as with any small scope The Teleport is supplied with three balancing weights that can be attached to the mirror cell on the bottom of the scope or to the secondary cage on the top For heavier eyepieces you may need to place one or more of the counterweights on the mirror cell For very light ones you may need to place one or more on the secondary cage If the scope is still unbalanced you can increase the friction damping of the altitude bearings by adjusting the screws above of the altitude rings Fig 24 wth the allen wrench Avoid excess tightening which would inter fere with the smooth easy motion that is part of the joy of using the Teleport Fig 24 adjusting friction damping Focal Plane Location Most good eyepieces have a standard focal plane location close to the surface that seats onto the focuser Unfortunately some designs may vary widely from this requiring a large change in the focuser position The Teleport focuser has of necessity a limited range of travel Addi tional out travel can be effected by sliding the eyepiece partway out and locking it with the screw If a 1 25 eyepiece you use frequently requires a lot of out travel consider using an adapter that extends it Also a recessed adapter may allow a 1 25 eyepiece to go farther in than the focuser top surface Within limits custom adapte
13. e top plate Fig 5 is only for carrying the closed scope when walking Never swing the scope by this strap or pull sideways on it This could pull the plate loose causing the telescope to fall When handling it in a manner that requires sideways movement such as climbing steps or placing it onto a car seat grasp the scope securely with both hands one in each altitude ring Openings in the cover are provided under the side tabs Always lower it gently onto hard surfaces Ne Za Fig 3 Carrying the open Fig 4 Carrying the Fig 5 Carrying the closed Teleport one handed Teleport by the altitude Teleport while walking bearings for control Unpacking Unpacking your scope 1 2 3 With the box flaps open and the top foam pad removed orient the box so the Teleport logo on the top of the cover is right reading Slide a hand down each side about two inches and insert your fingers below the cover flaps and intothe altitude rings see Fig 4 page 5 Grasp both rings firmly lift the Teleport straight up out of the box and set it down gently Removing and Storing the Slip Cover TheTeleport cover is designed to protect your telescope from sun airborne particulates and dew or brief light rain It is not intended to withstand prolonged or heavy rain If such conditions occur move your telescope to shelter 1 N R vw Replacing the Slip Cover 1 2 Pull theflaps around the top loose from th
14. eeing is poor Expect to use high powers above 120x a limited percentage of the time depending on your observing site season frontal passages etc 16 Viewing Begin with lower power If you are not an experienced observer use eyepieces in the 20 40 mm focal length range to make finding objects easier The wider field is more likely to contain what you are looking for and moving the scope while viewing is much less critical Learn which way is up Newtonian optical systems produce an inverted and reversed image so when you move the scope the image moves the opposite way Think of it as pushing the object not the scope and you will quickly adjust to the reverse motions Learn to follow as the earth turns Objects will follow circular paths east to west Remember that your scope will need to move in that same direction to keep them in view Learn to move the scope along both axes as needed so that when you release it the object will slowly drift through the center of the field as the earth rotates Areas of the Sky mages of objects nearer the horizon will be adversely affected by the increased travel of the light through the atmosphere Objects are best when viewed higher in the sky A special situation exists with the sky area directly overhead This is often referred to by users of altazimuth telescopes as Dobson s Hole Movement of a telescope about it s vertical azimuth axis is more difficult here tha
15. eir velcro tabs and fold the top back Grasp the cover by the side openings and lift it off Fold the body of the cover flat Fig 6 Fold in half along the corner seams Fig 7 Fold horizontally Fig 8 up intothe lid Pull the top flaps around the folded body and press the velcro tabs in place Align the fol ded cover on the lower front of the scope and press it onto the velcro strip provided Pull the cover away from the velcro unfold Fig 7 it and orient it over the scope With the lid up slide it onto the scope until the straps rest on the top plate Closethe lid and press the velcro tabs in place on front and sides The top may be lifted to access the handle for straight level carrying The side tabs allow access to the altitude rings for more controlled movement such as in and out of a vehicle through doorways on stairs ec Getting Started Unlocking from Shipping Mode The Teleport is simply closed for routine transport and opened again for use When it was packed for shipping the primary mirror was locked and must be unlocked before first use This will take some time but will also familiarize you with many details of your new scope You will need a philips screwdriver and 3 8 wrench 1 Open the scope per theinstructionson topcenterpost collimation pages 8 amp 9 then unlock the mirror as screw _ knobs follows 2 Turn each ofthethree white collimation knobs see Fig 9 two full tur
16. em back toward center when not needed Leaving either on when storing your scope will deplete the batteries The external outlet in the front of the power supply is for a standard Kendrick eyepiece heater Changing Batteries 1 the power supply loosen the four philips screws at the corners Fig 25 2 Tilt the power supply and pull it out slightly to access the cords from the mirror fan and secondary heater and unplug them 3 The batteries are held securely place by a cover that also stops reflections Peel away the side of the cover opposite where the cables were plugged Fig 26 4 Removethe batteries and replace with fresh C size alkalines in proper orientation as shown 5 Replace the cover and seal its edge securely The cover helps prevent the batteries from being dislodged uu during handling or transport Fig 26 Removing Batteries 6 Hold the supply close to the opening and plug in the cords 7 Replace the supply and install the four screws four philips screws KA 18 mirror fan speeds up the cooling or warming of the primary mirror when the Teleport has been stored in warmer or colder conditions While changing temperature the mirror will distort reducing image quality If you wish to observe right away switch the fan on when you set up the scope the temperature change is very small or you won t observe until much later leave it off
17. er eye cups OUP Tradeoffs are cost and slight edge astigmatism which find acceptable The following table lists the focal lengths available with their magnifi cations and fields with the Teleport Focal Eye Apparent Magni True Length Relief Field fication Field 40 0 mm 20 mm 65 32 X 2 04 28 0 mm 20 mm 55 45 X 1 229 21 0 mm 20mm 659 60 x 1 08 14 0 mm 20 mm 65 91 x 0 72 10 5 mm 20 mm 65 121 x 0 54 7 0 mm 20 mm 65 181 x 0 36 5 2 mm 20 mm 65 244 x 0 27 usual set Fig 23 includes the 40 21 10 5 5 2 For certain objects however the 14 and Pentax XL the 7 are ideal Seeing condi m tions often preclude the use of a the 5 2 sol sometimes substi Aa tutethe 7 It can be used a bit more often but doesn t provide Eyepiece quite the detail of the 5 2 when Heater seeing is really good The view Laser through the 40mm is spectacu Collimator lar on extended objects Its 2 field is almost half that of many finder scopes making a m finder scope unneccessary Fig 23 My Accessories Drawer 14 Holding the Eyepiece in Place The clamping screw can be inserted in any of three threaded holes in the focuser don t normally use it as the nylon friction screw in the focuser is more convenient Set it to be just snug for your eyepieces Accomodating Other Eyepieces Balance Experienced observers may already have a preferred set of eyepieces Most of thes
18. hnique When you become proficient at this you will find that your scope s collimation is very close every time Close means that the laser spots on both the primary mirror and the collimator face are no more than a few millimeters from center LA The Finder The Teleport s Rigel Systems finder lets you easily place a particular object or sky area in the eyepiece field It is easier to use than con ventional finder scopes that have a more limited field or a reversed image or both Mounting 1 With the Teleport open and vertical stand behind it and locate the finder in its storage position in the lower rear opening of the rocker box 2 Attheleft end of the finder pressthe button with your thumb and rock the right end away from you to release it from the baseplate Fig 19 3 Locatethe other baseplate at the top edge of the secondary cage Hold the finder tilted 45 forward and slip the front long tab into the forward slot in the baseplate 4 While pressing the thumb button rotate the finder toward the plate and release the button so the clip locks into the slot at the rear of the baseplate Fig 19 Finder storage On Off and Brightness Turn the finder on by rotating the small black knob on its lower front Fig 20 It will click to turn on and will increase in brightness as it is turned clockwise At first turn it fully clock wise and look through the opening near the top of the finder so you see the
19. llimator face gt Details of this procedure are in the instructions for the Teleport Laser Collimator Other Collimation Tools Collimation can also be done with optical tools including a sight tube Cheshire eyepiece and autocollimator These are available from Tectron Telescopes 352 490 9101 http www amateurastronomy com tomclark amateurastronomy com Details of the procedures for these tools are in their manual and are also covered in the Protostar Diago nal Mount Assembly manual enclosed Its diagrams show the visual appearance of the mirrors before and after collimation Collimation and Opening Become comfortable with collimation of the Teleport to take full advantage of its high quality optics Understanding the collimation procedures will help point out any problems you may have with proper opening techniques If you find after opening your scope that the collimation is far off from the last time it was used chances are you failed to get one or more struts fully extended either this time or the last Prior collimation may have partially compensated for this error but performance will never be as good as if the scope is properly opened then collimated If it appears way off loosen all 8 clamps and partially close the Teleport and re open it being sure to reach full strut extension before collimating gt The feedback provided by a quick check of collimation after opening your scope will help you perfect your opening tec
20. n other parts of the sky because the lever arm used to turn it in azimuth is almost zero Learn to twist rather than push the scope in this part of the sky and you will reduce the difficulty A firm grasp in the opening of the secondary cage will help Recommended References Nightwatch by Terrence Dickinson Camden House Camden East Ontario revised edition 1993 The Sky A User s Guide by David H Levy Cambridge New York 1991 The Universe From Your Backyard by David Eicher Cambridge New York 1988 The Backyard Astronomer s Guide by Terrence Dickinson amp Alan Dyer Camden House Camden East Ontario 1991 17 E lectrical Power Supply Your Teleport is equipped with a power supply fan and secondary and eyepiece heaters These enhance your observing under certain condi tions by quicker temperature equilibration of the primary mirror and reduction of dew formation problems The power supply is in the front of the mirror box It contains 6 C size alkaline batteries These are readily available and offer maximum energy relative to weight and cost They will run the mirror fan about 100 hours the secondary heater about 40 and the eyepiece heater about 20 Keep these numbers in mind for an idea of when you may need to replace them A spare set is recommended Sliding switches on the face of the power supply turn on the fan and secondary heat when slid toward the outside of the scope Always slide th
21. nob and screw together one or more flats on the hex 5 Tighten the knob and check Repeat the above steps if needed Strut Length Adjustment If you use eyepieces with a focal plane location far from the eyepiece seating surface you may exceed the adjustment range of the focuser That may be moved a few millimeters by shifting the strut locations Dothis only if really necessary and do not be tempted to change it routinely t must be carefully done matching the location of all struts to keep the scope square A strut may be shifted slightly by loosening the 4 se screws holding the bottom section in the mirror box The range of movement is very limited Do not move the bottom of the strut section higher than the bottom surface of the mirror box Do not extend it more than about 9mm below the bottom to avoid interference with the plate in the rocker box Use a gauge to match the positions and retighten all four screws Do nct overtighten This could bend the struts 22 S pecifications 14 5 5x x 26h Primary Polane T catalyzed polyurethane coating Other Delrin acetal ABS Teflon laminate Structures lycra spandex etc Primary 10 F 5 fine annealed Pryex 10 1 Mirror Zambuto Optical serial Mirror Cell 9 point Delrin acetal Secondary Protostar 1 83 elliptical flat Mirror with enhanced Al coating Teleport 2 helical 1 25 adapter Rigel Systems unit power LED 200D coated nylon and polyethylene Baten Main Power
22. ns CCW 3 Removethe mirror cell following steps 1 4 on page 20 then return to step 4 below 4 Placethecell carefully on a table mirror up It will be covered by a solid plate with three tabs Fig 10 sling 5 Remove the screws holding the tabs to counterweights 22 50 5 the cell posts remove the plate Fig 9 The mirror cell 6 Slide the cell so the top post screw just overhangs the table edge for access 7 Hold the top center post screw with a philips screwdriver and loosen its nut about a turn with the wrench Fig 11 8 Turnthescrew CCW almost 1 2 turn so its small edge notch is at the top Hold it there with the screwdriver while retightening the nut with the wrench m This orients the eccentric post soit no Fig 10 Remove the b longer presses against the mirror mirror lock plate Holding the cell vertical behind the mirror box plugin the Fig 11 The fan cord then reinstall the cell and tighten all six screws top post Check Adjustment of the Mirror Sling Aim the scope about 30 up from horizontal and push forward on each of the black triangles on the back of the mirror The mirror should move forward easily then return when you release it If the mirror sticks at the top the sling is too tight and is holding the mirror against the top center post If it sticks at either bottom triangle the sling is too loose letting the mirror rest on the lower posts To adjust loosen
23. ractice it will become and quick and easy 1 eyepiece fully into the focuser and close R k Fig 16 Tighten the clamps Note If you are opening the Teleport after unpacking it from its travel mode return to page 7 step 2 to unlock the mirror before use OpeningTips gt Proper tightness is achieved when the clamps are turned horizontal If wear eventually makes adjustment necessary consult the Service section on page 22 of this manual Ifa strut hangs and prevents full extension its middle section has rotated while the scope was closed Fig 17 Rotate it to align the top clamp over the bottom one Fig 18 then finish opening To minimize this problem when closing the scope loosen the clamps just enough to allow the struts to slide about a half turn This should leave the clamps about horizontal so they do not contact each other and cause rotation A slight tension left in the clamps will also help prevent strut rotation during transport gt Holding the struts extended to their stops insures proper alignment of the secondary cage Do this well and the collimation will usually be satisfactory for most observing For more critical viewing such as lunar and planetary observing and to check your opening procedures an additional collimation check is advised see page 11 Fig 18 Aligned 9 Closing the Teleport is quite easy but several small details will make difference
24. rete etc Be sure each of the three feet rests on the surface and that the ground board between the feet does not Tall grass will cause instability and a surface such as a wood deck may flex when anyone moves on it including when you shift your weight at the eyepiece Allow time for your mirror to reach thermal equilibrium While changing temperature even a low expansion Pyrex mirror changes shape The image quality will be poor until it stabilizes This can be a matter of a few minutes but can be more under extreme changes The thin mirror and open air flow of the Teleport minimize this and the fan can reduce the equilibration time still more Nothing can eliminate it completely Sky Conditions Get to the darkest site you can Take advantage of the portability of the Teleport Of course there will be times you may want to observe in areas of substantial light pollu tion Artificial lights and the moon still allow reasonable viewing of bright objects like planets and the moon but will greatly diminish your ability to see those dim faint fuzzies Filters can help Learn to work with the sky conditions that exist What you view and the magnification you can use effectively will generally be limited by the seeing at the time Upper atmospheric cells of varying temperatures bend the light passing through them causing the image to shimmer or just blur without apparent move ment Lower magnification will be required when s
25. rs are possible in order to parfocalize unmatched eyepieces If you have a particular problem here contact me for a quote It is also possible to adjust the location of the Teleport s focal plane relation to the focuser This is done by adjustment of the strut posi tions effectively changing the length of the scope You should do this only if you find it necessary for your overall set of eyepieces It requires time and care and is not practical as a routine adjustment If you are certain you want to do this see Service on page 22 25 Every observer has favorite methods and objects Many excellent books are available to help the beginner become familiar with the sky and learn the procedures tor studying it Here we present a few suggestions regarding the use of the Teleport leaving the broad view of observing up to you and your chosen reference materials The Teleport is designed to give the observer a direct connection tothe universe imposing a minimum of technology between the user and the objects observed Without digital readouts go to databases etc but with smooth easy motions using it quickly becomes very intuitive It s like looking directly at the object but with a thousand times the light grasp of the unaided eye and with the magnification best for the object to be viewed Here are some tips Setup Find a solid foundation Always place the Teleport on a solid surface such as the earth gravel conc
26. the cell so the top post overhangs the edge of the table about an inch Loosen it s lock nut fully so the post 15 loose Peel the strap loose from the tape on the mirror edge tilt the top post slightly and lift the mirror out The three support triangles will remain attached to the back of the mirror Place it face up in a clean sink and run warm water to cover it Prepare cleaning solution of three drops of mild hand dishwashing detergent in about a cup of warm water Stir thoroughly to dissolve the detergent Pour most of the cleaning solution over the mirror surface Dip a cotton ball in the remaining cleaning solution and swab the mirror surface gently in a circular motion Work from the center to the edge being sure to not miss any of it Rinse thoroughly with running warm water lifting and tiltingthe mirror to rinsethe back then finally the front surface again Pour a cup or so of distilled water over the surface then drain it off and stand the mirror on edge on a clean towel A Fig 28 Mirror cell 16 17 18 19 20 21 22 29 24 If you have a source of clean dry air blow the water off the mirror including the rear triangles If you don t have the air source allow the mirror to stand until dry Replace the mirror in the cell in its original orientation serial number at the top and press the strap tape against the mirror edge Install the top post orient it with the screw head mark
27. wtonian optical system and an altazimuth or Dobsonian type mounting Many aspects of it are more advanced than other telescopes of this type and some special techniques are needed for proper operation Be sure to read and follow the instruc tions in this manual to insure best results and avoid damage ity Never aim a telescope toward the sun This is extremely dangerous A 10 mirror gathers about 1 000 times as much light as your eye and a split second look can cause permanent blindness Never attempt to view the sun unless you understand the procedures and have fitted the Teleport aperture with a proper solar filter Never place any telescope so sunlight can strike the mirror now or as the earth turns This can focus the sun s heat in the scope causing serious damage and possibly fire Watch your back The Teleport is lightweight for 10 telescope Still it should be handled with appropriate care especially if you have any physical limitations such as a back problem Use proper lifting techniques lift with your legs not your back and avoid bending or twisting in an awkward way ity Handle with care The Teleport is a precision optical instrument Always keep it upright unless following instruc tions this manual requiring otherwise When open the Teleport may be carried with one hand Fig 3 For greater control open or closed it should be carried with both hands by the altitude rings Fig 4 The strap on th
28. y heater or fan If dewing is heavy and you are using more than one eyepiece it may help to keep those not in use in your pocket 31mm Naglers may not fit 19 Cleaning Cleaning the Primary Protect your mirror by keeping your telescope closed when not in use so that cleaning will be needed very infrequently Over time you will see an accumulation of dirt but it will have less effect on the image quality than you would expect Under some lighting conditions such as with a flashlight aimed at the mirror in the dark even a fairly clean mirror can look terrible With proper care cleaning should be needed only after extended use When finally required proceed as as follows 20 1 2 10 11 12 13 14 15 Open the Teleport place the focuser for balance and tilt the scope almost horizontal Place a support under the secondary cage and tilt the scope until the cage rests on it When the mirror is removed the scope will be unbalanced six mirror cell screws and could fall With a philips screwdriver remove the six screws holding the mirror cell Fig 28 Be sure to hold the cell securely while removing the last ones Lift the cell away enough to reach into the mirror box and unplug the fan cord Place the cell on a table and blow loose dust away with clean compressed air If the air cleaning proves sufficient skip to step 19 If washing is required first slide
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