DOF preview button - What's the point?

Discussion in 'Digital Photography' started by cutsman, Apr 12, 2008.

  1. cutsman macrumors regular

    Jun 1, 2006
    Just curious... some DSLR's have a DOF preview button. My question is... in this age of digital photography, why should one choose to use the DOF preview over simply taking a photo, reviewing it on the LCD, then making adjustments accordingly?
  2. Westside guy macrumors 603

    Westside guy

    Oct 15, 2003
    The soggy side of the Pacific NW
    Well, for one thing, the LCDs on most dSLRs don't really have the resolution required to effectively review the depth of field.
  3. jwt macrumors 6502

    Mar 28, 2007
    And two, some shots are gone before you know it.
  4. compuwar macrumors 601


    Oct 5, 2006
    Northern/Central VA
    You shouldn't- in general, getting the shot matters first, and frankly with digital, shooting multiple apertures isn't all that big a deal either. DoF preview isn't all that useful a function anyway- by the time you really need it, you're in to diffraction territory on digital anyway, and the viewfinder'd likely to be too dark to deal with if you weren't.
  5. seenew macrumors 68000


    Dec 1, 2005
    It's faster to check it than to take a shot, review it, trash it, and re-shoot. I've just gotten in the habit of doing it, and I find it useful.
  6. dllavaneras macrumors 68000


    Feb 12, 2005
    Caracas, Venezuela
    I do mostly macro-photography, and ever since I got my ring flash, the DOF preview button has gone almost unused. As compuwar pointed out, the viewfinder goes quite dark, and the flash fires a burst of light to help you see. An awesome idea, very useful, but I've missed a few good shots because the sudden bursts of light scare the critters away :( So now I basically take as many shots as I can and select the one that came out best. By now I pretty much know the DOF I'm working with at 1:1 with any given aperture.
  7. tibbon macrumors member

    Jun 8, 2006
    First of all, the LCD doesn't have the resolution to display critical details as in focus or not. Secondly, chimping sucks.

    I keep the DOF preview on one function button and the other function as "no flash".

    It's useful for a quick reminder of the DOF and it definitely makes sense when you're used to using it. If you want to know if something close to you is in or out of focus, just tap it and see. I'm not going to take 4 photos at different apertures and chimp it. I'd rather just spin the aperture and keep looking at the DOF. I don't use it with flash.

    Then again, not all photographers need all features on a camera.

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