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Фрагмент инструкции
#93634-A—for Firstscope 80AZ and EQ models. Also fits various older style Celestron refractors and Newtonians. #93633-A—for all Schmidt-Cassegrains. It threads onto the rear cell. #93635-A—for all C90 Spotting Scopes. #94177—required when using the Radial Guider for CCD imaging. #93638—for Nature Zoom Spotters. #93628—for Pro Zoom Spotters. FPO (pick up) #93627—for Wildlife Zoom Spotters. #1836—for Ultima Spotters. T-Rings – 35mm A T-Ring couples your 35mm camera body to a T-Adapter, Radial Guider or Tele-Extender. This accessory is required if you want to do any type of photography through a telescope or spotting scope. Each camera manufacturer has a different mount, which requires a specific T-Ring, so Celestron offers a full line of T-Rings. To use a T-Ring, remove the diagonal and/or eyepiece from your telescope (some models require use of an eyepiece — see your instruction manual). Then you need only remove your normal camera lens, attach the proper T-Ring for your camera, and mount the combination to the rear cell of your telescope or spotting scope with a Celestron T-Adapter. Models available: Canon [93413] Nikon [93402] Canon EOS [93419] Olympus [93414] Minolta [93400] Pentax – Universal M42 Thread Mount [93401] Minolta Maxxum [93418] Pentax K – Universal Bayonet Mount [93403] If you own an older camera with a thread mount, it will probably accept the Pentax Universal Thread Mount T-Ring. If you have a new camera with a bayonet mount not listed above (Ricoh, Cosina, etc.), it most likely accepts the Pentax K-Universal Bayonet Mount T-Ring. Check your camera’s instruction manual for more detailed information. Deluxe Tele-Extender – #93643 The Deluxe Tele-Extender for Schmidt-Cassegrain telescopes is a hollow tube that allows you to attach a camera to your telescope, with an eyepiece installed. By using the Deluxe Tele- Extender in combination with an eyepiece, you can increase your instrument’s effective focal length to well over 10,000mm! And this corresponds with a matching increase in image size. This technique is known as eyepiece projection photography. The following formula can be used to determine approximate effective focal length: EFL = Telescope focal length/Eyepiece focal length x DF (the distance from the center of the eyepiece to the film). The Deluxe Tele-Extender is used for high-power lunar, solar and planetary photography as well as for extreme terrestrial photography. It fits over the telescope’s eyepiece (even large eyepieces such as those in Celestron’s Ultima line), and connects to the visual back of the telescope. Optional counterweights will be necessary to properly balance the telescope when using the Tele- Extender. To use the Deluxe Tele-Extender, remove the diagonal from your telescope and insert an eyepiece directly into the visual back. Place the Tele-Extender over both the eyepiece and the visual back, then attach your 35mm SLR camera to the back of the Tele-35mm Extender, using a T-Ring. The Tele-Extender’s built-in safety device will help SLR prevent your eyepiece from becoming accidentally dislodged. T-Ring Tele-Extender There are a few things to keep in mind when using this accessory. First, the Eyepiece image you’ll see through your camera’s viewfinder will be upside-down. Visual Back Secondly, due to the extremely high magnifying effect afforded by this accessory, extra care to prevent camera and telescope vibration, accurate polar alignment and use under good seeing conditions will all assist you in capturing high quality images. Piggyback Mounts Celestron’s Piggyback Mounts are a great accessory for all observers interested in deep-sky astrophotography, particularly beginners. These mounts allow you to attach your camera, with its lens, to either the top or side of the telescope, making it possible to shoot with a normal or wide angle lens while guiding through the telescope. One model fits the C8, C91/4", C11 and C14 telescopes and mounts to the rear cell of the telescope. The C5 model includes a weight set and mounting hardware to attach the camera to the telescope’s piggyback platform. #93603 Piggyback Counterpoise – 5" [93603] Piggyback Mount – 8", 91/4", 11", 14" [93598] #93598 T-C 16mm Adapter – #93636 This valuable adapter converts video cameras, (or 16mm film cameras) with removable lenses from the standard “C-mount” thread, to the larger T-thread used in still cameras. Thus, any of these cameras can be converted for use with a telescope. To adapt a C-mount camera for use with a Celestron instrument, first thread the T-C Adapter onto the camera, next thread a T-Adapter onto the T-C Adapter, and last, thread this assembly onto the rear cell of your Celestron instrument. Please note that some film and video cameras use standard still camera lenses, and therefore use a normal T-Adapter and T-Ring. Check your camera’s instruction manual for more detailed information. COMPUTERIZED CIRCLES / SKY MAPS /BOOKS Digital Setting Circles: Advanced Astro Master® Comput...
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