dancook wrote:
I bought a 200-600 yesterday morning to photograph a competitive cricket match, I was not happy with the sharpness when I checked at 100% - but perhaps it was atmospheric disturbance, so this morning I did some 'proper' tests. Shot from the same position, cropped to match (600mm has advantage in cropping)
I discovered the 200-600 @ 600mm f6.3 is not as sharp as the 100-400 f5.6 even after it's been cropped in to match - which I assume means I could have shot the cricket on my 100-400 and go sharper images even if I needed to crop.
Is this the general experience, or is there something wrong with my 200-600?
I have had 3 copies of 200-600 and 2 copies of 100-400 with 2 different 1.4x TCs. They are all very sharp. There is variation, but more likely you are going to get a sharp copy. Based on your controlled test, your 2-6 looks soft at 600 for sure.
They sure all be tack like this:
May 12, 2021 at 05:18 PM
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