Protective filter… or not? I say beware of filter quality.

Started 8 months ago | Discussions thread
Michel J
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Re: Protective filter… or not? I say beware of filter quality.
In reply to JohnFrim, 8 months ago

Thanks for sharing.

Yes, it's necessary to make tests like this to make an assessment of our gear.

I had a strange experience with the same generation of lenses as Beercan (as DistantView wrote above, but not the same way).

As I calibrated the AFM, I did some tests with the Minolta SH AF 28-135mm F/4-4,5 with two copies of this lens. I had sharper images without filter with the first one, while it was surprisingly a tad sharper with a legacy UV Minolta filter with the second.

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Cordialement,
Michel J
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