using nd filters

Discussion in 'Digital Photography' started by rweakins, Jan 1, 2008.

  1. rweakins macrumors 6502


    May 3, 2007
    when you start using nd filters would the camera automatically adjust for the filter or would you need to shoot in the manual setting?
  2. Westside guy macrumors 603

    Westside guy

    Oct 15, 2003
    The soggy side of the Pacific NW
    The camera should adjust for the filter. HOWEVER if you're using a significantly strong ND filter, it won't be able to adjust for it since it just won't be receiving enough light information.

    The nice thing about digital, though, is you can guesstimate the exposure, take the shot, and immediately adjust and reshoot.

    One thing I've done is let the camera autofocus and auto-expose without the filter, then throw it into full manual (tweaking the focus if desired/necessary) and adjust the exposure time based on the density of the ND filter. That'll usually get you pretty close right off the bat. For example, if your ND filter drops the light 3 stops, just set your exposure time 3 stops longer - or close the aperture down 3 stops (I thing adjusting exposure time is usually safer, since it won't change the depth of field or introduce possible diffraction).

Share This Page