Image of the day Captured by Byron Davies NGC-7380 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 Takahashi O.D. of FS-128 tube? O.D. of FS-128 tube? Started by chasp, 09/27/2003 11:05PM Post Reply Posted 09/27/2003 11:05PM Opening Post Charles Peterson View public profile Send a private message to Charles Peterson Find more posts by Charles Peterson Find threads started by Charles Peterson Forum Member Join Date: Aug 2001 Location: Port Richey FL, US Posts: 253 Anyone know the O.D. of the Tak FS-128 tube?Chas P. Quote Posted 09/28/2003 12:22AM #1 Administrator View public profile Send a private message to Administrator Find more posts by Administrator Find threads started by Administrator Forum Member Join Date: Apr 2002 Location: Anacortes WA, US Posts: 670 Features: Optical System: Fluorite Apochromat DoubletCoating: Front Full-Multi-CoatedAperture: 128mmFocal Length/Ratio: 1040mm, f/8.1Light Grasp: 334xResolving Power: 0.91"Limiting Magnitude: 12.3Image Circle: Ø49mm w/reducerPhoto Field: 3.9° w/reducerTube Length/Diameter: 1176mm, 145mm Quote Post Reply Funding Member Telescopes, Astronomy, Binoculars Sponsors OMI OPTICS USA LLC Astro-Physics Alpine Astro GetLeadsFast, LLC AstroMart LLC Westsource Corporation ASTROPHOTOGRAPHY BY MARTIN PUGH victoryastroshop FocusKnobs Desert Sky Astro Products Anacortes Telescope RemoteSkies.net APM-Telescopes astronomy-shoppe Rouz Astro SellTelescopes.com Astromart Customer Service Bob's Knobs Matsumoto Company View all sponsors Search News Classifieds Auctions Reviews & Articles Members Reviews & Articles Forums Calendar Events Go