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  1. #11
    Join Date
    Dec 2007
    Posts
    2,562
    Can you manually set the camera to bracket the three shots and not use the auto bracket mode?
    Sony A77
    Sony A580
    Sony A 100
    Maxxum 400si.
    Sony 18-70 Kit Lens
    Minolta AF 35-70
    Minolta AF 50 f/1.7
    Tamron 70-300 f/4-5.6 Di LD
    Tamron 60mm Macro
    Tamron 17-50 f/2.8
    Tamron 2x Converter
    Sony HVL-F42AM
    Quantaray 70-300 4.5-5.6 Macro
    Slingshot 200 Bag



    http://www.flickr.com/photos/22083244@N06/

    http://s305.photobucket.com/albums/nn219/sparkie1263/

  2. #12
    Join Date
    Feb 2006
    Location
    Des Plaines, IL
    Posts
    9,560

    Cool Methodology

    That's kind of how they used to do it ...back before automated programs.

    You simply need to calculate your settings for the level of EV you want to differentiate from.

    Determine your proper exposure. You can use the camera's internal metering for this. Let's say you look through and find your shot is zeroed at the following settings:

    f/8 - 1/125sec - ISO 200 <- "Normal" EV or exposure value

    Take the shot.

    Now, you want to bracket above and below this by +/- 2 EV

    You have a couple of choices. You can use the same aperture ... thereby maintaining the depth of field (DOF). This is, perhaps, the most widely accepted method. So, you simply vary the time of exposure.

    For +2 EV, the settings would be:

    f/8 - 1/30 sec - ISO 200

    For -2 EV, the settings would be:

    f/8 - 1/500 sec - ISO 200

    That's a quick way -> quadruple the exposure time, take the shot, and then cut the normal exposure time by a 1/4 and shot.

    If you use the aperture setting to do it ... you will get a varied DOF ... and that can result in "special effects." It is an interesting look varying from f/4 to f/16, at the same speed and ISO.

    For +2 EV, the settings would be:

    f/4 - 1/125 sec - ISO 200

    For -2 EV, the settings would be:

    f/16 - 1/125 sec - ISO 200

    That's the MANUAL method.
    Last edited by DonSchap; 04-01-2008 at 01:18 PM.
    Don Schap - BFA, Digital Photography
    A Photographer Is Forever
    Look, I did not create the optical laws of the Universe ... I simply learned to deal with them.
    Remember: It is usually the GLASS, not the camera (except for moving to Full Frame), that gives you the most improvement in your photography.

    flickr & Sdi

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