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Test of two telescopes and Canon 'L' telephoto lens
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24-03-2013, 08:29 PM
skysurfer
Dark sky rules !
Join Date: Dec 2011
Location: 52N 6E (EU)
Posts: 1,152
Test of two telescopes and Canon 'L' telephoto lens
Yesterday I tested two telescopes and a 300mm Canon lens for their sharpness and color errors in prime focus.
Even a short (f/6.3) achro renders quite good images.
Here the test report:
http://skysurfer.eu/teletest.php
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