Posts Made By: steve chapman

April 20, 2004 02:00 AM Forum: Telescope Making

ASM Products ---Ceramic Mirrors

Posted By steve chapman

Does anyone out there have any information about these Ceramic Mirrors ------I just ran across their website ------and it looked interesting. Steve Chapman

April 24, 2004 12:48 AM Forum: Telescope Making

10"/f5 dobs

Posted By steve chapman

I was thinking of purchacing an 10"/f5 dob ----orion -------an was thinking of trying to have it as a dual purpose scope -------an was wondering what kinda EQ mount might be best for it -----midrange in price ------im thinking the OTA probably weighs about 40-45 lbs

July 3, 2011 11:58 PM Forum: Eyepieces

Pentax XLs - Are they Parfocal?

Posted By steve chapman

All Pentax XLs are parfocal ----with the exception of the 40mm ---it is also the only one of the set that is 2"

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Posts Made By: steve chapman

ASM Products ---Ceramic Mirrors

10"/f5 dobs

Pentax XLs - Are they Parfocal?

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