OGS Customers Customer Sites Joseph D. Schulman Chuck Vaughn - Astrophotographer Ted Wolfe - Astrophotographer Dr. George Greaney - Astrophotographer Louisiana State University/BRAS Western Connecticut State University Observatory Kopernik Observatory and Science Education Center Union College Obser...

Frequently Asked Questions What are the advantages of a larger secondary obstruction? Is it true, are RC telescopes difficult to collimate? What is the interferogram test that is provided with every OGS telescope? What size domes does OGS recommend for observatory telescopes? What are the advantages...

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