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      08-22-2017, 02:37 AM   #29
rouxeny
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Drives: 2017 LBB M2
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Quote:
Originally Posted by jmg View Post
You can do this on a DSLR. Use live view and then hold down this button:



I use it all the time.
You don't even need live view. Just look through the eyepiece and push the button. The aperture on the lens stops down from maximum to whatever you've set it for, and you can see a DOF preview. Admittedly, its often fairly dark, depending on what f-stop you're at.