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Forums DSLR Video Optimum settings for video: ISO & Aperture…

  • Optimum settings for video: ISO & Aperture…

     Jason Jenkins updated 11 years, 7 months ago 4 Members · 4 Posts
  • Michael Lorushe

    January 16, 2011 at 6:55 pm

    So I’ve been shooting DSLR video on my T2i for a little while now and I’m generally happy with my settings/results. However I want to see if I can squeeze more quality from my camera/lenses. Here’s my question:

    If I’m shooting in a situation where I’m getting perfect exposure with my aperture wide open (say f/1.8 on a f/1.8 lens), ISO at 200 and shutter at 1/50, would it be better or worse to stop down the aperture to f/3.2ish or slower and up my ISO to say 400 or even 800? Lenses are supposed to produce a sharper/better image when stopped down from their widest aperture…right? If so, should I favour the ISO or the aperture for correct exposure?

    (Depth of field wouldn’t be an issue in this analogy).

    Thanks in advance, Mike

    Michael Folorunsho – Videographer & Editor

  • Richard Harrington

    January 16, 2011 at 7:24 pm

    Set f-stop for depth f field you want
    Adjust ISO until properly exposed.

    If getting above the ISO you are comfortable (for me 800-1200) then adjust f-stop

    If shooting outdoors, you may need to add filtration to lens to knock it down

    Richard M. Harrington, PMP

    Author: From Still to Motion, Video Made on a Mac, Photoshop for Video, Understanding Adobe Photoshop, Final Cut Studio On the Spot and Motion Graphics with Adobe Creative Suite 5 Studio Techniques

  • Chris Wright

    January 16, 2011 at 10:51 pm

    ” Lenses are supposed to produce a sharper/better image when stopped down from their widest aperture”

    Actually it’s the exact opposite. you never want to go f/22 because you’ll lose a huge amount of detail due to the diffraction limit.

    In any case, a neutral density filter with a polerizer will enable both a large aperture and high dyanamic range by cutting the glare out and disabling diffraction.

    The ISO will add grain so don’t crank it over 800.

    If you’re shooting a low fps, the shutter becomes the highest priority. usually double the framerate.

    Just as in professional filmmaking, the control over light is what makes you either a professional or an ameteur.

    if you’re interested in getting a lot of things in focus, go for the hyperfocal distance
    instead of the smallest aperture your camera supports. This will teach you to be a better photographer.

    here’s more.

  • Jason Jenkins

    January 19, 2011 at 10:18 pm

    Nice article, Chris. Thanks for the link.

    Jason Jenkins
    Flowmotion Media
    Video production… with style!

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