Orion 52095 User's Manual
Contents
1. shutter control and DC coupler cables through the hole in the housing Figure 3a Then insert the USB and shutter control plugs into your camera and install the DC coupler in the battery compartment Figure 3b 5 Now attach the camera to the floor of the cooling chamber Line up the threaded socket in the bottom of the camera with the 4 20 stud in the bottom of the housing When they are lined up the T ring on the camera should be positioned snugly within the circular opening of the housing Figure 4 Now thread the stud Do not set the DSLR Cooler down on the flash housing Ar Figure 5 The protruding flash housing could crack if it contacts a hard surface into the camera by turning the knob clockwise until secure CAUTION Do not set the DSLR Cooler down on the pro truding flash housing Figure 5 Doing so could dam age the flash housing 6 Pry open the collar s tab with your fingers or the back end of a pen and lay the cables in Figure 6 Then close the tab and insert the collar back into the open port The camera should now appear as in Figure 7 7 Plug the small end of the included DC power cable into the power jack on the side of the DSLR Cooler and connect the other end to your 12V marine battery see below Alternatively you can use an optional 12V AC to DC adapter rated at 5A available from Orion to power the DSLR Cooler 8 Set the camera to ON then reattach the rear housing to the2. front section NOTE The interior temperature sensor is affixed to the roof of the cooling chamber as shown in Figure 8 It is NOT intended to be removed from there and adhered to the cam era body Desiccant Packets We recommend placing one or both of the included silica gel desiccant packets inside the DSLR cooler for each imaging session Although it is unlikely that moisture will condense inside the chamber during operation and even less likely that it would condense on the camera itself the moisture absorbing desiccant will keep the air surrounding the cam era dry even in humid weather conditions The reusable desiccant packets can be dried or recharged by heating them in an oven at 250 F 120 C for two hours Open cable collar Figure 6 Lay the camera cables in the open cable collar then close it and re insert it in the housing Attaching the Camera with DSLR Cooler to Your Telescope 1 Attach a 2 T adapter coma corrector reducer or flattener to the T ring on your camera NOTE Cooling performance will be compromised somewhat if you use just a T adapter with an open tube telescope such as a Newtonian reflector as this allows a constant flow of uncooled ambient temperature air to enter the camera and warm the imaging sensor It s best to seal the front opening of the camera by using an optical adapter such as a coma corrector or focal reducer or even a clear filter threaded on the
3. INSTRUCTION MANUAL Orion DSLR Camera Cooler 02095 2 ORION Providing Exceptional Consumer Optical Products Since 1975 OrionTelescopes com Customer Support 800 676 1343 e E mail support telescope com Corporate Offices 831 763 7000 89 Hangar Way Watsonville CA 95076 2012 Orion Telescopes amp Binoculars IN 440 Rev B 04 12 A ee it rj ni k p e F y her ee KAN d P a gk gg L Figure 1 The DSLR Cooler comes with a DC power cable and two desiccant packets Congratulations on your purchase of the Orion DSLR Camera Cooler Its the first affordable com mercially produced cold box for DSLR cameras which unlike most astronomical CCD cameras do not have internal cooling systems to reduce ther mal noise Its insulated thermoelectrically cooled chamber chills the camera s imaging sensor significantly reducing troublesome noise in your astrophotos When you re imaging in warm or hot weather especially such noise can wreak havoc on deep sky images But with the DSLR Cooler thermal noise is minimized resulting in smoother sharper better images that are easier to process This instruction manual covers how to set up and operate the DSLR Cooler Please read it thoroughly before attempt ing to use it First verify that all the included components shown in Figure 1 are present and intact If anything is missing or damaged please call Orion Customer Service at 800 676 1343 R
4. T adapter or use a telescope with a closed tube such as a refractor Maksutov Newtonian or Schmidt Cassegrain 2 Insert the 2 barrel of the T adapter or other adapter into the telescope s focuser and tighten the screws on the focuser to secure the camera DSLR Cooler Figure 9 shows the DSLR Cooler attached to an Orion 80mm triplet refractor Given the weight of the DSLR Cooler and camera combina tion you may need to increase the tension adjustment on your focuser drawtube to prevent any slipping while focus ing Once focus is achieved it s a good idea to lightly tighten the drawtube locking thumbscrew if your focuser has one Operating the DSLR Cooler 1 Press the ON OFF button once to turn on the Cooler It is recommended that you turn on the DSLR Cooler at least 1 hour before starting your imaging session to allow suf ficient time to cool the camera Keep the DSLR Cooler pow ered on for the duration of your imaging session Once it is turned off the temperature inside the chamber will remain about the same for 5 minutes or so then will start to rise rapidly Figure 7 Here a Canon 350D is installed in the DSLR Cooler with cables passing through the cable collar The cable plugs are a tight fit from the ceiling of the housing After turning the Cooler on you should see a temperature drop of 17 C to 20 C 30 6 F to 36 F within 30 minutes with a possible further decrease that levels off
5. after about an hour NOTE The digital thermometer on the DSLR Cooler dis plays the internal temperature as OUT and the outside ambient temperature as IN Figure 10 We know it s wacky 2 After your imaging session press the ON OFF button again to turn the Cooler off You ll Know it is off when the fan on the back of the housing stops rotating To prevent condensation from forming on the cold camera it is best to either a Leave it in the closed Cooler for a half hour or so before removing it to allow the camera to warm up slowly or b Remove it from the Cooler while still outside and immediately place the camera into a plastic bag and Outside temperature Figure 10 On the LCD temperature gauge the IN reading is really the outside temperature and the OUT reading is the temperature inside the Cooler That s what happens when you repurpose an indoor outdoor car thermometer seal it A large zip lock freezer type food storage bag is ideal This way the condensation will form on the plastic bag not on the camera itself Power Consumption Drawing 3 7 to 4 amps of current the DSLR Cooler requires lots of power We recommend running it on at least a 30 amp hour AH deep cycle marine battery or if possible on household 110V power via an AC to 12V DC adapter rated for at least 4 amps both sold separately A 30AH battery will provide power for up to 7 5 hours of continuous opera tion theoretical
6. he product has been abused mishandled or modified nor does it apply to normal wear and tear This warranty gives you specific legal rights and you may also have other rights which vary from state to state For further warranty service informa tion contact Orion Customer Service 800 676 1343 support telescope com Orion Telescopes amp Binoculars OrionTelescopes com 89 Hangar Way Watsonville CA 95076 Customer Support Help Line 800 676 1343 2012 Orion Telescopes amp Binoculars
7. ly 30AH 4A 7 5H a 55AH battery will allow nearly 14 hours of continuous operation We do not recommend use of the Orion Dynamo Pro 12AH or 17AH batteries since they would power the DSLR Cooler for only about 3 or 4 hours respectively on a full charge Specifications Compatibility Canon EOS 350D XT 400D XTi 450D XSi 500D T1i 550D T2i 1000D XS 1100D T3 Peltier cooler 51 watts Voltage 12 volts DC 5 5mm 2 5mm jack Current draw 4 amp max External heat sink yes fan diameter 80mm Internal heat sink yes fan diameter 65mm Cooling delta 17 20 C 30 36 F in 30 minutes Thermometer LCD interior exterior reading in C Body Plastic insulated Cable 12V DC auto lighter cable included Dimensions 8 3 8 L x 7 5 8 W x 6 1 2 H Desiccant Two silica gel packets included Weight 2 lbs 7 oz 1 1 kg One Year Limited Warranty The Orion DSLR Cooler is warranted against defects in materials or workmanship for a period of one year from the date of purchase This warranty is for the benefit of the original retail purchaser only During this warranty period Orion Telescopes amp Binoculars will repair or replace at Orion s option any warranted product that proves to be defective provided it is returned postage paid to Orion Warranty Repair 89 Hangar Way Watsonville CA 95076 Proof of purchase such as a copy of the original receipt is required This warranty does not apply if in Orion s judgment t
8. ssemble the two parts of the cooler housing by unscrewing the four plastic connecting screws using a flat screwdriver 2 Attach a T ring sold separately to your camera Before installing the camera in the cooling chamber you will need to insert the DC power coupler into the battery compartment and attach all necessary cables to the camera We recommend powering the camera with an external power source via a DC coupler fake camera battery designed for your particular camera model rather than the standard internal battery for several reasons a Batteries lose charge faster in cold conditions so the internal battery may not last for an entire imaging session before needing replacement or recharging An external marine cell battery or AC power source has plenty of extra capacity to keep your camera Figure 4 With the camera installed the T ring on the camera should be seated snugly in the aperture port of the housing powered on continuously for extended periods of time b It is not possible to swap a discharged internal battery with a fresh one without opening up the cooler housing c You won t be able to see the battery charge indicator on the camera s LCD screen to know when the battery is about to die 3 Remove the plastic cable collar from the housing by pushing it with a finger from the inside while pulling it from the outside You may have to twist it or rock it a bit to dislodge it 4 Insert the USB
9. ubber gasket 20 Camera mounting stud Insulation Inside Outside temperature guage On Off button gt 3 Cable collar External fan DC and heatsink a power jack Figure 2 The Orion DSLR Camera Cooler a back side b front side and c interior Flash housing Camera aperture port Connecting screws 4 Internal fan and heatsink DC coupler replaces battery Shutter control Figure 3 a With the plastic cable collar removed run your camera cables through the hole in the side of the housing b plug DC coupler and other cables into the camera before installing the camera in the cooling chamber Next familiarize yourself with the features and components of the DSLR Cooler in Figure 2 Compatible Cameras At the time of this manual s writing the following Canon EOS cameras are known to be compatible with the DSLR Cooler 350D XT 550D T2i 400D XTi 1000D XS 450D XSi 1100D T3 500D T1i Other Canon models and other brands of DSLR may not fit physically in the Cooler due to their overall size or propor tions or to the position of their lens opening relative to the 20 mounting hole on the bottom of the camera Installing the Camera in the DSLR Cooler This section describes installing your compatible Canon DSLR camera in the DSLR Cooler with a DC coupler USB cable and shutter control cable all of which are sold sepa rately 1 Disa
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