Re: [Utah-astronomy] Clark refractor ap and fl?

--- Patrick Wiggins <paw@trilobyte.net> wrote:

We'll be using the Brandt lens. . . . The Brandt is 200mm diameter and has a 3,360mm focal length (f/16.8).

Physical setting circles or digital circles on the pier mount? - Kurt __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com