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Desk Edition: This edition is printed on heavy paper with a cardboard cover. It is spiral bound and can be flipped over. The legend is printed on the inner sleeve of the cover. This edition will last for a lifetime of observing if handled with minimum care.
Fix a turned down edge, stop mirror clips from affecting your imaging etc.. by installing a TDE Ring / Mirror Clip Mask. Easy to understand instructions, illustrated.
$249.95Original price was: $249.95.$199.95Current price is: $199.95.
Rated 5.00 out of 5
Binoviewers improve views dramatically, producing a three dimensional effect that you’ll love! Using two eyes for observing instead of one lets you see more detail, reduces eye fatigue, and increases contrast For use with catadioptric telescopes and other telescopes with sufficient back focus Includes an aluminum carry case with foam-lined interior Requires a matching pair of 1.25” eyepieces, sold separately
$649.95Original price was: $649.95.$599.95Current price is: $599.95.
This is a compact and powerful optical design that combines a front meniscus lens and two mirrors. The telescope is well protected from humidity, dust and pollution and will give you a long life. Even though the scope is very compact by nature, the optical design allows you to have a long focal length allowing high magnification with the standard…
The Kson A127G "Ki'mah" is a Mk II classic air-spaced, crown-and-flint, doublet achromatic f/9.5 refractor. It features a superior-class optical figure (due to the high quality hand ground lens, which, while slow to produce, is exceptional in quality). You will be impressed by the stunning lunar and deep space images revealed to you at the eyepiece, and all at a small…
Introduction to Lens Design with Practical ZEMAX Examples is based on an introductory lens design course taught in the Optical Science & Engineering doctoral program at the University of Alabama in Huntsville and sponsored by the Centre for Applied Optics.
