The Filters We Need With Digital...

Started Oct 5, 2008 | Discussions thread
Iliah Borg Forum Pro • Posts: 23,984
Re: The “Non-Filter” You Need, and the Filter You Don’t

I have just bought a
Tamron SP 300mm f2.8 LD IF and while searching for sites with more
info about it I came across a lens test with a remarkable
finding...As you probably know, Tamron used to offer an optional
112mm "normal" filter for the front of the lens. I dont know what a
"normal" filter is but apparently the tester has found his Tamron
300/2.8 to be considerably sharper with this filter on the lens than
without it!!!

I had a similar experience with Canon 1D MkII and long lenses. A UV filter improved AF performance of the camera.

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