Quote:
Originally Posted by Davekyn
The only negative I may have read with regard to Bino View is that splitting the path of light from the eye pice into two “Dims” the object which would be counterproductive???
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The net effect in a high quality binoviewer ( ie Denk etc ) is the loss of about 0.5 magnitude stellar limiting magnitude which is effectively about 25% -33% of your mono aperture. This can mean more of an obvious loss of performance on fainter galaxies.
The more significant problem for DSO viewing is the loss of field of view in Newts as some sort of barlow lens is needed to bring focus.