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Front
| Celestron Tele-extender Deluxe for Nexstar Telescopes
Manufacturer:Celestron
Price: $65.21
Retail: $115.95
Model:93643
(everyday Super Saver Pricing)
In Stock.
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Product Description
Celestron Deluxe Tele-extender for Nexstar Telescopes. 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. And this corresponds with a matching increase in image size. 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. This technique is known as eyepiece projection photography.
Shipping Weight: 2 pounds
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