Image of the day Captured by Lawrence Parchman Eastern Veil Nebula About Astromart Terms of Service Privacy Policy Help & FAQ Astronomy Links User Profiles Top Users List Sponsors Supporters RSS Feeds My Account Log In New to Astromart? Register an account... Need Help? [email protected] Home Forums ASTRONOMY EQUIPMENT Equipment Talk MN66 question MN66 question Started by Midnight Sun, 02/13/2007 05:04AM Post Reply Posted 02/13/2007 05:04AM Opening Post John Meiners View public profile Send a private message to John Meiners Find more posts by John Meiners Find threads started by John Meiners Forum Member Join Date: Oct 2001 Location: Astoria OR, US Posts: 494 Could someone tell me the focal length of the MN66 ? thank you, JM Quote Posted 02/13/2007 09:42AM #1 Bruce Mills View public profile Send a private message to Bruce Mills Find more posts by Bruce Mills Find threads started by Bruce Mills Forum Member Join Date: Mar 2003 Location: Saddleworth, GB Posts: 50 John, The '66' means 6" aperture x 6 focal length. Therefore : 6 x 6 = 36inches. Bruce Quote Post Reply Funding Member Sponsors ASTROPHOTOGRAPHY BY MARTIN PUGH Matsumoto Company SellTelescopes.com Astromart Customer Service AstroMart LLC Anacortes Telescope OMI OPTICS USA LLC Desert Sky Astro Products BW FocusKnobs kwtelescope BBLABS LLC Waite Research astronomy-shoppe APM-Telescopes View all sponsors Search News Classifieds Auctions Reviews & Articles Members Reviews & Articles Forums Calendar Events Go