Al Paslow Astronomy Collection
Images and events of personal interest.
Here is a 20 inch Tectron instrument I have purchased from a local observer who bought the telescope new in1989. It features a Pyrex Galaxy Optics primary mirror. Images were taken in November 2010. Here's some information - actual fl. = 99.4 inches. Interferometric information 0.931 Strehl Ratio.
This site features some great images.