Image of the day Captured by Erwin Forbragd Horsehead 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 VENDORS Astro-Physics Refractor question Refractor question Started by P. Tanner, 05/01/2002 04:37AM Post Reply Posted 05/01/2002 04:37AM Opening Post Paul Tanner View public profile Send a private message to Paul Tanner Find more posts by Paul Tanner Find threads started by Paul Tanner Forum Member Join Date: Jun 2001 Location: Hot Springs AR, US Posts: 20 Did AP at anytime ever produce any achromats?If so what years?Paul Quote Posted 05/01/2002 09:50PM #1 Mike Clemens View public profile Send a private message to Mike Clemens Find more posts by Mike Clemens Find threads started by Mike Clemens Forum Member Join Date: Oct 2001 Location: wasilla AK, US Posts: 495 As I recall, Roland Christen wrote once that he had produced a single achromatic lens, and it can be found in his desk/cabinet/something. Quote Post Reply Funding Member Sponsors AstroMart LLC ASTROPHOTOGRAPHY BY MARTIN PUGH BBLABS LLC SellTelescopes.com OMI OPTICS USA LLC kwtelescope astronomy-shoppe Matsumoto Company BW Astromart Customer Service FocusKnobs Anacortes Telescope APM-Telescopes Waite Research Desert Sky Astro Products View all sponsors Search News Classifieds Auctions Reviews & Articles Members Reviews & Articles Forums Calendar Events Go
