Scopes: 10" dob Antares Optics 1/30 wave secondary/Moonlite CR2, 13.1" home made truss dob Discovery optics, 4" achro (the banger)
Quote:But your forum username is smallscopefan???
I'm sure I'll do the same thing when I win the lottery.
I've already got the land.
-DannyMy warehouseMy Channel
Celestron 8SE Dobstuff 13.1": Swayze refigured Coulter mirror, 6 pt mirror cell (2 pt edge support) and CF focuser board made by me StarBlast 4.5 ST80/PortaMount II Zhumell 20x80/Oberwerk 15x70 on a Seronik-style tripod boom mount Hubble Optics 18 inch F/4 mirror.
Tele Vue Pronto, Teeter STS27 w/10" Royce conical mirror. EPs: Pentax, Russell Optics, WO, TV
Quote:Now a 10" diameter eyepiece of 500mm focal length yields a true field of 4.9' and a magnification of 350XNope, that doesn't work either.How about a 20" diameter eyepiece of 1000mm focal length?175X with a true field of 9.8'Still a no go.
Quote:This raises the interesting question of what the size limits for a usable visual scope are. Care to offer a judgment?