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Soft image from 70-200 f4 IS

Started Jul 10, 2016 | Discussions thread
RedFox88 Forum Pro • Posts: 30,738
Re: Soft image from 70-200 f4 IS

Mike wrote:

A couple of things -

1. Be prepared to shoot using the aperture in the F-8 or so range. This is just a matter of fact with most zoom lenses. Leave the shutter speed and ISO set to automatic. Try it it works..!

2. I own three "L" lenses. They are ALL soft when mounted to an APS-C (small sensor) camera. BUT...they all three work VERY nicely, sharpness wise, when mounted to my full frame (larger sensor) 6D

Its not the senor size that affects the sharpness but the size of the pixels. For instance the 5Ds has very small pixels too.

. Like two different lenses. I bought a 28-300L lens and was very disappointed with the lens as mounted to my...SL1, my 40D and my 50D bodies. But when I bought the 6D...it and my other two "L" lenses magically got remarkably sharp. Still not "prime" lens sharp, but MUCH better than when mounted to the small sensor cameras.

Mike

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