--- Canopus56 <canopus56@yahoo.com> wrote:

Here's a first draft of a lens table for the Bogdan Refractor at SPOC. Bruce's 20mm lens recommendation seems about right. http://members.csolutions.net/fisherka/astronote/BogdanRef/BogdanClarkRefrac...

You can also use these online TFOV lens calculators: Hess, K. 1999. Ken's Telescope Calculator. http://www.klhess.com/telecalc.html Televue. 2005. Televue Eyepiece Calculator. http://www.televue.com/engine/page.asp?ID=107 __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com