Glasses, Lens and other.
 | VINTAGE CRITERION Telescope with Box Telescopes $25.00  Bids: 0 End time: 09-Feb-12 11:12:20 PDT |
 | Criterion Telescope Golden Pyramid Tripod Bausch & Lomb Celestron Dynamax Other $599.99 Best Offer Enabled End time: 06-Mar-12 02:59:26 PDT |
 | 1954 CRITERION 60 POWER BRASS TELESCOPE AD HARTFORD CT Other $5.99 End time: 14-Feb-12 04:21:28 PDT |
March-21-2011 11:00pm-1:30am The moon through a criterion 4000 4" Schmidt Cassegrain Telescope
 Universe Today | Why Does Sirius Twinkle? Universe Today This optical illusion is a big pain for astronomers and some very large telescopes such as those in Chile and Hawaii use special equipment and techniques to reduce the effects of the atmosphere. One of most famous telescope of them all, |
Faye Flam: Atheist Writer Who is Long on Graciousness, Long on Civility Algemeiner This attitude is understandable and, in a sense, perhaps justified, given the “dirty” rarely mentioned secret: Despite many interesting results to its credit, when judged by the straightforward criterion of reaching (or even approaching) the ultimate |
This is the clutch assembly used in the Criterion Mfg. Co. Custom Deluxe model 8 inch telescope. Notably it does not use traditional clutch material such as cork. The two aluminum plates are drawn together by the three screws. The plate on the right has clearance holes, the other is...
This is the clock drive from a Criterion Dynascope 8 inch Custom Deluxe telescope
A view of my 8 inch Dynascope Custom Deluxe at it's former home at a private home in Maryland. It originally was owned by the University of Maryland where it sat in storage for decades which explains it's near perfect condition. As is common practice these days, they sold it off in...
Criterion Custom Deluxe EQ equatorial mount with rotating rings. Note the unusual conical shaped RA axis bearing housing. The bearings are Sealmaster with the upper one being a larger size. The electric drive works.
A Criterion RV-6 telescope given to me by a friend. This is a 6 inch Newtonian reflector that my friend bought new in 1977. I plan on restoring & using it.