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#1
August 1st 04, 01:07 AM
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Eyepiece internal thread
I bought a cheap 15mm and 40mm eye piece off ebay recently
http://cgi.ebay.co.uk/ws/eBayISAPI.d... STRK:MEWN:IT they seem to work reasonably well, but the internal threading is not the same as my origional eypieces (skywatcher) therefore the filters i've got won't fit. Apparantly the cheap eyepieces use M30X1 as the threading. Is this difference between manfactor of eyepeices the norm? where can i get filters for this thread? and what is the threading on a standard Skywatcher eyepiece so i know what to buy in future. Cheers Damian -- Damian Burrin UKRA 1159 Level 2 RSO EARS 1115 http://www.ukrocketry.com http://www.larf-rocketry.co.uk 
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