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i am considering getting one of the 5x powermates to go with my ed80
refractor. they say that these are primarily used with short focal length refractors. the ed80 is 7.5 fl. i was hoping to use it to do prime focus photography. now i am wondering if this is a wise investment. regards, john |
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Thread | Thread Starter | Forum | Replies | Last Post |
Orthos vs. TeleVue Plossls | Lawrence Sayre | Amateur Astronomy | 132 | January 21st 04 01:10 PM |