SAL30M28 30mm f/2.8 Lens Aperture blades - how deep?
this question is for those who own the lens or know it very good.
I have a Sigma 50mm macro and I use it with my spotting scope. It vignettes somehow and the reason for this is, the entry pupil is too deep buried inside the lens.
So my question about the Sony lens is: If you look into the lens (from frontside), how deep are the aperture blades buried inside the lens? Are they visible more towards the front or more towards the rear of the lens?
(it does not matter where the blades actually are, only where they appear to be optically)
If they are visible more towards the front (like the iris of the human eye), then there is some chance, this lens could be used for digiscoping.
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|May 4, 2013|
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