Is the APS-C DOF penalty all that important?

Started Dec 18, 2012 | Discussions thread
Great Bustard Forum Pro • Posts: 39,311
Not for a competent photographer.

jonrobertp wrote:

not an advantage. Shooting an exective group at an event...flash not 2b used, and dim lighting of a convention centre needs some dof to get all the faces in focus ...much more than a FF would do.

Doesn't sound like a competent photographer shooting that scene.

Stopping down defeats the purpose of the higher iso in the end, there is no gain to using ff sensor.

Not really.  For example, if we shot a scene at 85mm f/4.5 1/100 ISO 1000 on FF, we would get a more detailed photo than if we shot the scene at 50mm f/2.8 1/100 ISO 400 on crop.  The noise would be the same (assuming equally efficient sensors), but the FF photo would resolve more detail.

This is why we need hi iso NR on a crop do the job. It's the only way it will work.

NR works on best on the photo that has more resolution to trade for lower noise, and, once again, that will usually favor FF (for cameras of the same generation).

However, if we were talking a D7000 vs a D700, for example, then, yes, for a given DOF and shutter speed, the D7000 would be the better system.

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