Best Settings for f stop?

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abe4652 Senior Member • Posts: 2,236
Best Settings for f stop?

Sometimes, I really need to decide in advance for a period of time what f stop setting to use.

With the A7R3, I’m shooting outdoors with auto Iso, max of 8000, min shutter speed of 1/2000. Lens is the Sony 70-300. And I’m not looking for shallow DOF.

With this lens, and these settings, is it better to set f stop to 8 to get slightly better lens IQ, and a little more DOF for those situations in which focus might be slightly off, but at the cost of higher ISO at all exposures, or go to 5.6, get slightly lower lens IQ, slightly less DOF, and lower ISO at all exposures?

Sony a7 Sony a7R Sony FE 70-300mm F4.5-5.6 G OSS
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