Click here if you are having trouble logging into the forums Cloudy Nights - Official Forums of the 2009 International Year of Astronomy Privacy Policy | Please read our Terms of Service | Signup and Troubleshooting FAQ | Problems? PM a Red or a Green Gu.... uh, User   You are not logged in. [Login] Entrance · Main Index · Search · New user · Who's Online FAQ · Calendar Equipment Discussions >> ATM, Optics and DIY Forum Previous   Index   Next   Threaded   Pages: 1 | 2 | (show all) HandyAndy sage Reged: 01/11/08 Posts: 396 Loc: West Midlands and around Re: Wide (not thick!) spider vanes and off axis light [Re: jayscheuerle]       #2576014 - 08/12/08 08:41 AM Attachment (6 downloads) Edit   Reply   Quote Quick Reply   Hi, Without flash. Cheers. Andrew. -------------------- Monarch 8x42, Zeiss 10x50 WA 10mm F2, Pentax 60mm F5 City: 7" MN78, 10" F6.3: MK4, 16" F5 ParaCorr Country: 5" F9.5, 8" VISAC: GP2 Car: 6" F5 MPCC: SP, 5" 127mm F7.5 TV 55mm, Paragon 40mm, UO Pretoria 28mm B&L 32 Pl, Clave's 25, 8, 6, 2x Hyperions 5, 8, 13, 17, 24, 31 Nagler1 9mm, Meade 14mm 4000 UWA Antares 1.6x, 0.7x, 0.5x Post Extras:       HandyAndy sage Reged: 01/11/08 Posts: 396 Loc: West Midlands and around Re: Wide (not thick!) spider vanes and off axis light [Re: jayscheuerle]       #2576023 - 08/12/08 08:44 AM Attachment (7 downloads) Edit   Reply   Quote Quick Reply   Hi, Down the focuser. Note the baffle appears far blacker than the opposite wall of the tube as shaded by the near wall. Cheers. Andrew. -------------------- Monarch 8x42, Zeiss 10x50 WA 10mm F2, Pentax 60mm F5 City: 7" MN78, 10" F6.3: MK4, 16" F5 ParaCorr Country: 5" F9.5, 8" VISAC: GP2 Car: 6" F5 MPCC: SP, 5" 127mm F7.5 TV 55mm, Paragon 40mm, UO Pretoria 28mm B&L 32 Pl, Clave's 25, 8, 6, 2x Hyperions 5, 8, 13, 17, 24, 31 Nagler1 9mm, Meade 14mm 4000 UWA Antares 1.6x, 0.7x, 0.5x Post Extras:       jayscheuerle Carpal Tunnel Reged: 01/16/06 Posts: 2964 Loc: S. Philadelphia, PA Re: Wide (not thick!) spider vanes and off axis light [Re: HandyAndy]       #2576107 - 08/12/08 09:35 AM Edit   Reply   Quote Quick Reply   That's pretty interesting, Andrew. I can certainly see where it would help in my own LP situations. You don't find the diffraction spike it generates to be very noticeable? - j -------------------- 12" Green Goblin (trusser w/Protstar secondary and OWL refigured primary)• 6" f/5 Eero2 ball-scope • 6" f/5 Frankenscope • Garrett Optical 10x50 binos • Edmund 8" yoke-mounted red-tube reflector • Edmund 6" GEQ red-tube reflector (on loan to Dad) Gone, but with lessons learned: Skyquest XT8 • NexSTar 8i • Eeroscope 6" f/5 ball(sacrifice was not in vain) • Vixen ED80sf • Edmund red-tube 4.25" f/10 • Edmund Astroscan Facts are stubborn things. Post Extras:       HandyAndy sage Reged: 01/11/08 Posts: 396 Loc: West Midlands and around Re: Wide (not thick!) spider vanes and off axis light [Re: jayscheuerle]       #2576345 - 08/12/08 11:39 AM Edit   Reply   Quote Quick Reply   Hi, I am quiet happy with the image and I have used it on several telescopes. On my friends 12" it eliminated ghost images of Saturn off the smooth plastic tube even tho painted black. Cheers. Andrew. -------------------- Monarch 8x42, Zeiss 10x50 WA 10mm F2, Pentax 60mm F5 City: 7" MN78, 10" F6.3: MK4, 16" F5 ParaCorr Country: 5" F9.5, 8" VISAC: GP2 Car: 6" F5 MPCC: SP, 5" 127mm F7.5 TV 55mm, Paragon 40mm, UO Pretoria 28mm B&L 32 Pl, Clave's 25, 8, 6, 2x Hyperions 5, 8, 13, 17, 24, 31 Nagler1 9mm, Meade 14mm 4000 UWA Antares 1.6x, 0.7x, 0.5x Post Extras:       Pages: 1 | 2 | (show all) Previous   Index   Next   Threaded   Extra information 8 registered and 8 anonymous users are browsing this forum. 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