Page 1 of 2 12 LastLast
Results 1 to 20 of 21

Thread: Underexpose or Overexpose?

  1. #1

    Default Underexpose or Overexpose?

    Just thinking, is it better to overexpose a pic or underexpose it if you have only one chance to take it in manual mode? which of these can be better saved thru pp after the shot?

  2. #2

    Default Re: Underexpose or Overexpose?

    About 1 2/3 stop underexposed quite manageable. Overexposure is... death

  3. #3
    Senior Member zac08's Avatar
    Join Date
    Feb 2005
    Location
    East
    Posts
    11,755

    Default Re: Underexpose or Overexpose?

    Better to have it underexposed than overexposed...
    Michael Lim
    My Flickr Site

  4. #4

    Default Re: Underexpose or Overexpose?

    coz underexposed, you still can use photoshop edit.. If overexposed.. then no point lah.. coz no point overexposing unless you intend to do something with it..
    EOS 30D+50mm MKII+18-55mm IS.. What I use do not define me.. Its the photos that I take that will..

  5. #5

    Default Re: Underexpose or Overexpose?

    underexposure results in severe noise when you recover details in the shadows.

    overexposure results in posterisation when you try to recover details in the highlights.

    the former is preferable. both are undesirable.

  6. #6
    Senior Member giantcanopy's Avatar
    Join Date
    Feb 2007
    Location
    SG
    Posts
    6,232

    Default Re: Underexpose or Overexpose?

    I assume you are referring to situations where you cannot have the "right" exposure such as very contrasty scenes and you want to save some highlights you should slightly underexpose.. You can retrieve some data from underexposed images (at the expense of noise). But if you overexpose and blow the highlights there is pretty nothing much to recover.

    Shoot RAW and you might extract abit more information.

    Ryan
    Last edited by giantcanopy; 16th March 2009 at 07:27 AM.

  7. #7

    Default Re: Underexpose or Overexpose?

    like u said since u only have one shot, why not take it the way u want it to be.
    but if ur speaking technically, with underexposure you can still brighten up ur image in processing, unlike overexposure where its blown already.

  8. #8
    Moderator catchlights's Avatar
    Join Date
    Sep 2004
    Location
    Punggol, Singapore
    Posts
    21,901

    Default Re: Underexpose or Overexpose?

    Quote Originally Posted by rphotography View Post
    Just thinking, is it better to overexpose a pic or underexpose it if you have only one chance to take it in manual mode? which of these can be better saved thru pp after the shot?
    If I only have One Chance, I will nail the exposure.
    Shoot to Live, Live to Shoot
    www.benjaminloo.com | iStock portfolio

  9. #9

    Default Re: Underexpose or Overexpose?

    Quote Originally Posted by catchlights View Post
    If I only have One Chance, I will nail the exposure.
    can cheat using autobracket

  10. #10
    Moderator catchlights's Avatar
    Join Date
    Sep 2004
    Location
    Punggol, Singapore
    Posts
    21,901

    Default Re: Underexpose or Overexpose?

    Quote Originally Posted by night86mare View Post
    can cheat using autobracket
    I don't understand, if TS knew shot at this setting is underexposed, and shot at that setting is overexposed, why do shoot shoot right on the dot in the first place?

    Unless the original question is, "which is easier to salvage? Underexposed or overexposed?"

    anyway, whatever way it is, exposure out by more the 2/3 stop is undesirable.
    Shoot to Live, Live to Shoot
    www.benjaminloo.com | iStock portfolio

  11. #11
    Senior Member
    Join Date
    Jul 2006
    Location
    Clementi
    Posts
    10,596

    Default Re: Underexpose or Overexpose?

    Quote Originally Posted by rphotography View Post
    Just thinking, is it better to overexpose a pic or underexpose it if you have only one chance to take it in manual mode? which of these can be better saved thru pp after the shot?
    Why not nail the exposure?

  12. #12
    Senior Member luna_sea83's Avatar
    Join Date
    Jul 2005
    Location
    East
    Posts
    1,294

    Default Re: Underexpose or Overexpose?

    Follow the theory of cooking steak, under still can be salvaged by outting it back on the pan again, Over means you get a burnt piece of meat

    So its better to nail it at once.

  13. #13
    Senior Member
    Join Date
    Jan 2005
    Location
    Pasir Ris, Singapore
    Posts
    14,002

    Default Re: Underexpose or Overexpose?

    A bit underexposed can be saved. Overexposed even a bit means gone.
    Canon EOS 5D, 24-70 f/4 L IS, 50 f/1.2 L, 70-300 f/4-5.6 L IS, 600EX-RT. Sigma 12-24 f/4.5-5.6 EX.

  14. #14

    Default Re: Underexpose or Overexpose?

    Quote Originally Posted by catchlights View Post
    I don't understand, if TS knew shot at this setting is underexposed, and shot at that setting is overexposed, why do shoot shoot right on the dot in the first place?

    Unless the original question is, "which is easier to salvage? Underexposed or overexposed?"

    anyway, whatever way it is, exposure out by more the 2/3 stop is undesirable.
    You are are right, I think TS's question IS 'which is easier to salvage'.

    Sometimes we only have 1 chance of taking a photo (eg movements/expressions), the question is whether to take it slightly underexposed or slightly overexposed, so that we can salvage it later.

    Of course if everyone can get it right on dot in the first place there is no further need for discussion. But sad to say there are newbies like me who can't really foresee how the exposures of photo will turn out (even the metering doesn't mean it always give the exposures you would have liked).

  15. #15

    Default Re: Underexpose or Overexpose?

    Quote Originally Posted by luna_sea83 View Post
    Follow the theory of cooking steak, under still can be salvaged by outting it back on the pan again, Over means you get a burnt piece of meat

    So its better to nail it at once.
    ABSOLUTELY TRUE!!
    damn ur a genius!
    LOL!
    NIKON D60|18-55mm|18-200mm|Raynox DCR 250|Di622
    Fail to plan is planning to fail.

  16. #16

  17. #17

  18. #18
    Member/Tangshooter
    Join Date
    Jan 2007
    Location
    Punggol 21
    Posts
    2,946

    Default Re: Underexpose or Overexpose?

    if you are shooting film, then it is better to over-expose by say 0.5 stop. It is easier to BURN later in the darkroom. Shooting under will cause the shot to be grainy.

    If you are shooting digital , then it is safer to under-expose by say 0.5 stop, because once the sensor register a bright patch, then even by moving the slider to darker region during post processing, the patch will still be a blank patch.

  19. #19
    Moderator catchlights's Avatar
    Join Date
    Sep 2004
    Location
    Punggol, Singapore
    Posts
    21,901

    Default Re: Underexpose or Overexpose?

    Quote Originally Posted by lkkang View Post
    if you are shooting film, then it is better to over-expose by say 0.5 stop. It is easier to BURN later in the darkroom. Shooting under will cause the shot to be grainy.

    If you are shooting digital , then it is safer to under-expose by say 0.5 stop, because once the sensor register a bright patch, then even by moving the slider to darker region during post processing, the patch will still be a blank patch.
    for film, if it is negative, the exposure latitude is larger, most people will overexposed it (about one full stop) for more saturated color and better shadow details.

    if it is slide aka transparency film latitude is narrower, it is better to underexpose 1/2 stop for more saturated color and retain highlight.

    not possible to do burning or do dodging during printing UNLESS you print it yourself or send for traditional enlarger printing (if you still can find any).
    Shoot to Live, Live to Shoot
    www.benjaminloo.com | iStock portfolio

  20. #20
    Member
    Join Date
    May 2008
    Location
    Singapore
    Posts
    1,113

    Default Re: Underexpose or Overexpose?

    I read from somewhere, for film, its better to overexpose than underexpose because you will never get back your shadow details if you underexpose your negatives. (For B&W film)

Page 1 of 2 12 LastLast

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •