I can see why folks lust for long lenses

Started Jul 28, 2012 | Discussions thread
David Whysong
Contributing MemberPosts: 579Gear list
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Re: Pseudo macro with 600mm ?!? Yes we can !
In reply to JP Scherrer, Aug 6, 2012

Those are spectacular photos, but a 300mm with a 2xTC is not the same as a 600mm. The TC allows you to increase magnification without additional extension.

If I wanted to use my 650mm focal length telescope for 1:1 macro, I'd need a ~600mm extension tube, which is not practical.

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