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

Started 3 months ago | Discussions thread
OP BlueFish1980 New Member • Posts: 11
Re: 90d and Tamron 150-600 - sharpness issue or wrong expectations

David1961 wrote:

For me, your shutter speeds are too slow.

I have the older Tamron G1 150-600mm on my 90D and at 600mm I use at least 1/1600s or faster for stationary subjects.

I don't worry about ISO at all. In manual mode I set the aperture I need to give the DOF I want, usually ~f/7-8 and 1/1600s or a faster. I set ISO to Auto and let the camera set ISO where it wants.

With the high pixel count sensor on the 90D it doesn't take much camera movement while hand holding to introduce camera shake.

thanks David. I plan to test Manual mode as well , for a separate scenario of subjects in tough light/shade.

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