Potential dead horse: how bad is FF's deep DoF disadvantage?

Started 5 months ago | Discussions thread
Steen Bay
Veteran MemberPosts: 6,188
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Re: no disadvantage
In reply to joejack951, 5 months ago

joejack951 wrote:

tko wrote:

And I own a FF lens that stops down to F/50 or something silly.

What lens? My 105VR will display f/57 when stopped down to f/22 and at minimum focusing distance, but that's just Nikon's way of displaying the light loss at close focus distances (effective aperture as explained in the lens manual). DoF is still f/22.

If you shoot af f/22 at 1:1 magnification, then I think that you're effectively shooting at app. f/44 in terms of both exposure, DoF and diffraction. Kind of like using a 2x TC.

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