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DOF Preview Button: What it is and How to Use it

Posted by oneslidephotogaraphy On January - 19 - 2020

DOF preview button – 5D mk II

When mounting a lens to a DSLR camera body, then peer into the viewfinder, what you’ll see is the image in the lens’ widest aperture settings. Now what if you want to see the image when using the smallest aperture opening straight from the viewfinder in order to get an accurate image of how the results will turn out? Read the rest of this entry »

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