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Review Summary
2015-04-27T21:00:00
Yep, it's a 2x extender tube, and if you're using a telescope you're going to be using it with a tripod so can afford some longer exposures. Granted, it does what it says on the tin - it doubles the focal length of the telescope. However, you've got to be prepared for the increased exposure time necessary. In other words, this plus a telescope isn't going to give you the same performance as just paying the price for a full-sized lens of equivalent focal length.
DAVID M.
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Film & Digital SLR T Mount Lenses
636980500386
The Bower SLY2x T-Mount Telephoto Extender is a secondary lens which is mounted between the camera and a photographic lens, doubling its focal length.