Resolution test of 70-200 f4 at LensRentals

Started Dec 5, 2012 | Discussions thread
rrm998 Regular Member • Posts: 106
Re: Resolution test of 70-200 f4 at LensRentals

nikkorwatcher wrote:

When I see that much difference I wonder if the lens is front/back focusing. These two lenses shouldn't be quite that much different.

I didn't see any lack of sharpness in the center of the shots. Both lens were about the same in the center. Given how close I was to the object, it's possible the angle I was shoot at could be a factor. I'll be investigating the differences. I have some other targets that would be less senstive to that. I just need time to shoot them.

I took about 1,000 shots with my friend's f.28. Many of the close up shots weren't ideal. For at least his copy, I'd say "close" is not a strength of the lens.

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