Starbeam advanced telescope pointer
Contents
1. side is toward the LED Insert the new battery into the receptacle in the same orientation as the old one Installing the battery with the polarity reversed will damage the circuitry and void the warranty Remove the anti rattle foam from the old battery and press it on to the new battery Compress the foam and slide the electronic assembly into the Illuminator housing You may have to rotate the circuit board to get the LED to slip into the hole in the front end and also to align blink potentiometer with the hole in the housing Insert the white Blink Adjustment Knob through the side of the body and into the hole on the potentiometer Starbeam helps you find your celestial favorites quickly and easily with any scope We wish you years of pleasure with it Concave Mirror Beamsplitting Lens Starlight Using Flip Mirror On Off and Blink Brightness Adjustment Control Knob Knob Starlighth 3 SN Starlight Plus Starbeam Red Star S Eye nn You must remember to switch _ off the illuminator when not in use to avoid draining the battery2. into Starbeam Compression of the rubber O ring allows convenient positioning of the Blink Adjustment Knob 2 Turn on Illuminator by rotating the black knob on the end clockwise Continuing to rotate the knob clockwise increases the brightness Adjust the intensity of the illuminator so the red star appears comfortably bright without disturbing your night vision Rotate the white Blink Adjustment Knob on the side of the housing to adjust the pulse rate of the LED Rotate the knob fully clockwise for continuous on 3 At 50x to 100x place a star in the middle of your telescope field 4 To view through the Starbeam locate your eye above the Illuminator and a foot or two back from the beamsplitter Even though you can be further back or off to the side a little and still see the red star it is easiest to first see the dot in this straight through position While viewing through Starbeam use the horizontal and vertical adjustment screws to overlay the red star onto a test star in the sky That s it To raise or lower Starbeam loosen the Lock Screw and turn the Vertical Adjustment Screw Starbeam will pivot vertically on the Horizontal Adjustment Screws The Lock Screw works against the Vertical Adjustment Screw to lock the assembly It is only necessary to lightly snug the Optical Assembly Support Bar against the Lock Screw Tightening it too much will interfere with horizontal movement The Horizontal Adjustment Screws are meant to work against e
3. Channel First back out the Horizontal Adjustment Screws until they clear the Optical Assembly Support Bar While holding Starbeam remove the Lock Screw and lift Starbeam from the Base Channel 2 Installing Base Channel Drop the button head screw through the clearance hole in the Base Channel Using the Allen key provided lock the Base Channel with the Horizontal Adjustment Screws oriented towards the front of the telescope into the preferred mating channel of the telescope mount ring If the screw bottoms out before the Base Channel is locked down use the supplied lock washer as a spacer by putting it under the screw head 3 Installing Starbeam Position Starbeam so the holes in the sides of the Optical Assembly Support Bar align with the horizontal adjustment screws Tighten the Horizontal Adjustment Screws until the tips enter the holes in the Optical Assembly Support Bar You can now lock the Starbeam down gently with the Vertical Lock Screw For Open Tube Telescopes SFU 2004 To attach Starbeam to any open telescope tube over 4 diameter simply drill matching holes in your tube and use the supplied machine screws and nuts to fasten the Base Channel to your telescope tube Follow the instructions above for mounting Starbeam in its Base Channel For Schmidt Cassegrain Telescopes SFC 2009 The Starbeam model for 8 or larger diameter SCTs installs on the rear cell of the telescope First mount the Attachment Bracket to the telescope s r
4. WARNING TM Never view Sun through Starbeam Immediate amp permanent damage to advanced telescope pointer your eyes will occur Introduction Starbeam is a precision unit power finder designed to make pointing your astronomical telescope easy Viewing through Starbeam a transparent red star appears projected against the sky background The star is actually a small pinhole illuminated by a red L E D Placed at the focus of a beam splitting mirror lens the star is projected to infinity Starbeam is effectively a reverse Herschelian telescope The size of the pinhole and focal length of the mirror result in a0 4 red star about the diameter of the moon Its size color and adjustable brightness and blink rate make it easy to see against any twilight to dark sky background With a mirror aperture of 39mm the projected image can be easily seen at any distance behind the mirror whether 2 inches or 2 feet Because the mirror surface is uncoated anda multi coated compensating curve is designed into the back of the mirror the normal sky background appears through the almost invisible mirror lens There are three mounting bases available for Starbeam one for Tele Vue scopes one for Newtonian Dobsonians with a 4 or larger tube diameter and one for SCTs 8 or larger Adjustment screws and lock screw make Starbeam easy to align to your telescope Installation For Tele Vue Telescopes SFT 2003 1 Removing Starbeam from Base
5. ach other Loosening one Horizontal Adjustment Screw while tightening the other moves Starbeam smoothly in the horizontal plane The Lock Screw acts as a pivot for this horizontal adjustment The movements sound complicated but in practice are easy to do Once aligned to your scope and locked Starbeam should not need further adjustment Incidentally Starbeam is prefocused collimated and designed so that little image shift is visible between a real star seen through the Beamsplitter Mirror Lens and the projected red star overlaying it Touse the Flip Mirror simply tilt it back until you can see the reflection of the Beamsplitter Mirror Lens inthe Flip Mirror as the diagram below illustrates Care Although Starbeam has a durable anti reflection coating on the convex outside sky side surface if dew occurs it s best to use a dew Zapper or hair dryer gun to warm the dew away There is no coating on the inside concave surface of the mirror lens so cleaning is especially easy Starbeam is made of precision CNC machined aluminum black anodized for a lifetime of field use and needs no special care to maintain its fine finish When itis time to replace the battery use a Duracel XL DL 1 3N lithium or equivalent battery To install pull the white Blink Adjustment Knob out from the side of the Illuminator Gently pull out the electronic assembly by holding the ON OFF Brightness Control Knob Take note of the polarity of the battery The negative
6. ear cell The screw slots in the Attachment Bracket are sized and spaced to accommodate the wide variety of accessory attachment points on popular SCTs However due to the different screw sizes and lengths attachment screws are not provided with the Starbeam Slide the Dove Tail into the Attachment Bracket until it hits the Screw Stop Tighten the thumb screw on the side of the Attachment Bracket Horizontal Adjustment Screw a Vertical Lock Screw Vertical Adjustment Screw _ Base Channel Illuminator Brightness Adjustment amp On Off Switch N Blink Adjustment Knob Horizontal Adjustment Screw Optical Assembly Support Bar SO TES Lens Housing Button Head Attachment screw Tele Vue Base Base Channel 7 _ Machine Screws Universal Open Tube Base Base Channel LN CI Nuts Stop Screw SCT Base Base Channel SCT Attachment Bracket A A Tele Vue Elkay Dr Chester New York 10918 Ph 845 469 4551 www televue com Vistonary Alignment amp Use 1 Thread Illuminator
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