Quote:
Originally Posted by ripkirbyqld
I currently have a University 12.5mm plossal illuminated eyepiece with the double crosshairs. The problem with it is that it uses an unusual battery which costs $33 if you can get them. Does anyone know of a similar eyepiece which uses a standard battery that won't cost a fortune.
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What is the battery model that it requires? There will be much cheaper suitable substitutes.
Cheers
John B