Celestron C90: Very affordable quality!
By OpticalDude on
October 30, 2013
Verified Purchase
Review submitted for
Celestron
52268 C90 Mak Spotting scope (Black)
(CT52268)
Pros: Perfect Optics, Light Still Rugged, Very Affordable, Perfect Mechanics, Great Travel Companion
Cons: Reflective Baffles
Other Comments: Optics are diffraction limited, even in autocollimation (double pass)! This unit required very light recollimation, but was very acceptable.
Collimation on primary mirror is a big plus.
Stock version not so great for daytime observations due to reflective baffles (loss of contrast). (!)Only when you have the skills(!), some velvet over 85% over primary mirror baffle length solves this (leave 15% towards secondary free, otherwise vignetting will occur)
After that, your C90's daytime image quality is way, way better !! No other scope of that size will surpass it!
So: Stock version already great for (beginners) astronomy, with some light modification also great for everything else.
Swap the low quality erecting prism and eyepiece for better (astronomical) one's and enjoy this even more. Chances are that your eyepiece will have the same prize tag as this entire C90 package! But it will be worth it, you'll see!! (I did..)
It just misses the five-star rating, only because of the reflecting baffle issue..
Yes, I recommend this product
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great for the price
By snicl1 on
August 21, 2012
Verified Purchase
Review submitted for
Celestron
52268 C90 Mak Spotting scope (Black)
(CT52268)
Pros: Bright Eyepiece, Strong Magnification
Cons: Heavy
Other Comments: bought it spot targets at 200yards. haven't been to the range yet but from the clear images vs my older spotting scope, I expect it to work well. I can clearly see scratches or dings on my neighbor's car 2 blocks awawy.
Yes, I recommend this product
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