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 Refractors C102-R compared to C4-R C102-R compared to C4-R Started by morsecode, 09/06/2007 06:41PM Post Reply Posted 09/06/2007 06:41PM Opening Post James Powell View public profile Send a private message to James Powell Find more posts by James Powell Find threads started by James Powell Forum Member Join Date: Dec 2005 Location: Cleveland MS, US Posts: 10 There are a number of sites selling the C102-R and the C4-R. What are if any differences? Quote Posted 09/06/2007 08:37PM #1 Pernel Johnson View public profile Send a private message to Pernel Johnson Find more posts by Pernel Johnson Find threads started by Pernel Johnson Forum Member Join Date: Jul 2001 Location: Chesterfield VA, US Posts: 79 James,If I'm not mistaken these are the same. One just translated 4 inches into 102mm. Prior to this model Celestron marketed a C102-HD. Quote Post Reply Funding Member Sponsors Waite Research APM-Telescopes AstroMart LLC astronomy-shoppe Astromart Customer Service SellTelescopes.com Matsumoto Company BW BBLABS LLC kwtelescope OMI OPTICS USA LLC Desert Sky Astro Products FocusKnobs Anacortes Telescope ASTROPHOTOGRAPHY BY MARTIN PUGH View all sponsors Search News Classifieds Auctions Reviews & Articles Members Reviews & Articles Forums Calendar Events Go