90d and Tamron 150-600 - sharpness issue or wrong expectations

Started 3 months ago | Discussions thread
John Sheehy Forum Pro • Posts: 24,183
Re: 90d and Tamron 150-600 - sharpness issue or wrong expectations

dave vichich wrote:

The other issue is 6400 iso. Canon isn't known for having the cleanest, low noise sensors.

The 90D has one of the lowest noise sensors in the industry, per unit of sensor area. It may seem noisier at 100% pixel view because you are magnifying the sensor more with the smaller pixels.  Nothing particularly wrong with the sensor; a 1.6x crop from the Nikon D5 at ISO 6400 is barely cleaner at all, both viewed at the same subject size.

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