Image of the day Captured by John Greenlee Before and after 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 Eyepieces Calculating power of eyepieces? Calculating power of eyepieces? Started by csa/montana, 03/27/2006 05:33PM Post Reply Posted 03/27/2006 05:33PM Opening Post carol anderson View public profile Send a private message to carol anderson Find more posts by carol anderson Find threads started by carol anderson Forum Member Join Date: Feb 2006 Location: Helena MT, US Posts: 17 How do you calculate the power of eyepieces?Such as: 50x 10x, etc.Thanks! Quote Posted 03/27/2006 05:40PM #1 Ivan Gastaldo View public profile Send a private message to Ivan Gastaldo Find more posts by Ivan Gastaldo Find threads started by Ivan Gastaldo Forum Member Join Date: Dec 2001 Location: Coconut Creek FL, US Posts: 4423 Carol, divide the focal length of your telescope by the focal length of your eyepiece...For example, a 2000mm f/l telescope and a 40mm eyepiece would give you 50x magnification... (2000/40=50) Quote Ivan Gastaldo 8)Coconut Creek, FLIvan's ObservatoryLat 26N 16' 48" Long 80W 10' 48"[COLOR="Red"]Personal Website:[/COLOR] http://www.ivangastaldo.comCCD Imaging and Processing/Deep Sky - ModeratorI like to complain about everything - Moderator Post Reply Funding Member Sponsors kwtelescope BW Waite Research Matsumoto Company BBLABS LLC Desert Sky Astro Products APM-Telescopes OMI OPTICS USA LLC Astromart Customer Service AstroMart LLC Anacortes Telescope FocusKnobs astronomy-shoppe SellTelescopes.com ASTROPHOTOGRAPHY BY MARTIN PUGH View all sponsors Search News Classifieds Auctions Reviews & Articles Members Reviews & Articles Forums Calendar Events Go