Pay in 4 interest-free payments of $9.25 Learn more
Ships within 48 hours · Estimated delivery Aug 30 - Sep 4
Focal length 21
The background remains black also at big exit pupils
as one eyepiece covers the same magnifications as a number of fixed focal length eyepieces
PENTAX has added a protective
Omegon 1.25" Variable Grey Filter Focal length 21Description Allows for selective adjustment of brightness which is useful for terrestrial observation and objects of the Solar System. You often find considerable differences in detail brightness on objects of the Solar System. This is particularly noticeable when observing: Moon craters which are close to the lunar terminator Sun spots and faculae. Caution: only to be used in association with an appropriate solar filter on the front of your
US$ 200.00
US$ 10.43
US$ 39.99
