How good are scopes as lenses?
As the title says.
I have a Leica APO 77 scope and a D70. If I stuck a Leica camera adaptor on the scopes and took photos with a D70 or better, how good would the images be compared to a decent prime lens?
Let's assume that I've solved the vibration issues, so it's just the lens quality that is the deciding factor. I believe th camera adaptor doubles the lens focal length. So assuming the scope is ~F5, this means that with the camera adaptor the resulting focal length is ~800mm.
I assume that the quality would not be that good as no-one seems to use a scope in this manner. Or maybe it's the shutter vibration and slow F number that turns people off?
Leif
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