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Hyperfocal Distance

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  • #16
    Re: Hyperfocal Distance

    Originally posted by snaarman View Post
    Checking with exposureplot I find I am a f8 maniac. The vast majority of my snaps are done at f8 +- 1 stop.

    Creature of habit?

    Pete
    I just tried this for the first time and found that by far I'm
    Focal Length approx 30mm
    Iso 100
    Aperture f6
    Shutter speed 1/80

    Makes you think why we buy all this kit doesn't it?
    Jamie

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    • #17
      Re: Hyperfocal Distance

      Originally posted by Ian View Post
      By f/8 you are starting to lose resolution through diffraction softening. f/8 is like f/16 on full frame - do you need more depth of field than that? At a moderate wide angle of 18mm, at f/8, the hyperfocal distance is down to 9 feet. At 12mm it's down to 4 feet.

      Ian
      Thanks Ian
      Sounds like I am not even the same ball park. I will start using lower fstop and
      see if things get better. I must admit that I have been happy so far with my images although some are a bit soft and I think you have answered that question for me.
      Thanks again
      John

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      • #18
        Re: Hyperfocal Distance

        Interestingly the DOFMaster calculator on their site shows 7.91 ft as the hyperfocal distance for 12mm at F4. If you change the camera to an FF like the C****n 1D etc and enter 24mm and F8 you get 7.95ft which is marginally different. I presume, without doing the research and resorting to pythagaros that the diagonals of FF are not exactly 2x 4/3rds or the calculator is internally inconsistent. I have the DOFMaster app on my iphone which I have not yet used in anger so it is worth knowing that it may not be accurate.
        Jim
        Jim
        www.jim-mccabe.co.uk
        http://www.jimmccabephotography.blogspot.com
        (My Travels in Aus & NZ)

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        • #19
          Re: Hyperfocal Distance

          Originally posted by maccabeej View Post
          Interestingly the DOFMaster calculator on their site shows 7.91 ft as the hyperfocal distance for 12mm at F4. If you change the camera to an FF like the C****n 1D etc and enter 24mm and F8 you get 7.95ft which is marginally different. I presume, without doing the research and resorting to pythagaros that the diagonals of FF are not exactly 2x 4/3rds or the calculator is internally inconsistent. I have the DOFMaster app on my iphone which I have not yet used in anger so it is worth knowing that it may not be accurate.
          Jim
          There are a lot of approximations in photography arithmetic, so I think this is within the margin of error - it's less than half an inch

          Ian
          Founder and editor of:
          Olympus UK E-System User Group (http://e-group.uk.net)
          Four Thirds User (http://fourthirds-user.com)
          Digital Photography Now (http://dpnow.com)
          Olympus camera, lens, and accessory hire (http://e-group.uk.net/hire)

          Twitter: www.twitter.com/ian_burley
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          • #20
            Re: Hyperfocal Distance

            Originally posted by David M View Post
            Not really, I suspect you're trying to get the best out of your lenses, even if you're doing it subconsciously.

            Checking Lightroom the vast majority of mine are f5.6 to f8.
            Yes, that's a very sensible range

            Ian
            Founder and editor of:
            Olympus UK E-System User Group (http://e-group.uk.net)
            Four Thirds User (http://fourthirds-user.com)
            Digital Photography Now (http://dpnow.com)
            Olympus camera, lens, and accessory hire (http://e-group.uk.net/hire)

            Twitter: www.twitter.com/ian_burley
            Flickr: www.flickr.com/photos/dpnow/
            Pinterest: www.pinterest.com/ianburley/
            NEW: My personal BLOG ianburley.com
            sigpic

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