D7200 with Sigma 150-600 very soft at f6.3

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kryzt Regular Member • Posts: 250
D7200 with Sigma 150-600 very soft at f6.3
1

I've got the D7200 and the Sigma since more 1 year now.

Can someone can tell me if it's ok to have sush a difference in sharpness at 600mm between f6.3 and f13?

I found my f6.3 to be very soft even after qualibrated my lens many times, i have got the same softness

Where is the problem come from? of the sensor of the apsc 7200 24Mp or bad copy of the lens even is very sharp at f13?

And what can i do to solve this problem?

Thanks

The image bellow come from dirrectly from camera and are untouch.

And an other photo at around 80 meters

 kryzt's gear list:kryzt's gear list
Nikon D7200 Sigma 150-600mm F5-6.3 | C
Nikon D7200
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