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CANON 50D AEB SETTING


16 May 2009 2:23PM
I am a user of Photoshop CS4 and as such I have been teaching myself new things via the pucrchase of the book - The Adobe Photoshop CS4 Book by Scott Kelby.

On page 248, he indicates how one can shoot 5 bracketed shots by using the Exposure./AEB bracketing on a Canon 40 and 50D

I use this a lot on my Canon 50D but I can only shoot 3 shots, i.e 1 under, 1 level and 1 over etc and set it as I want.

I cannot see how one can shoot 5, can anyone assist re this.

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Coleslaw e2
9 13.4k 28 Wales
16 May 2009 3:57PM

Quote:On page 248, he indicates how one can shoot 5 bracketed shots by using the Exposure./AEB bracketing on a Canon 40 and 50D


Is that in 1 go or 2?
16 May 2009 4:12PM
This is apparently in one go, quote " choose 2 stops brighter, then press the set button ( this automatically sets the bracketing to also shoot 2 stops darker).

This is what I do and still only get 3 shots as to me 2 stops darker is 2 stops under measure.

Brian
rowarrior e2
7 4.4k 9 Scotland
16 May 2009 6:17PM
The manual for the camera says only 3, the same as it's been for all the xxD series, the only thing you can do in the Custom functions is change the order in which it brackets (C.FN I-5)
16 May 2009 6:19PM

Quote:The manual for the camera says only 3, the same as it's been for all the xxD series, the only thing you can do in the Custom functions is change the order in which it brackets (C.FN I-5)


That is what I thought and do, but just wanted to check to see if there was a cunning method to change it.

Brian
rowarrior e2
7 4.4k 9 Scotland
16 May 2009 6:24PM
Hey if you crack it let me know and I'll try it on my 20D!
16 May 2009 6:42PM

Quote:Hey if you crack it let me know and I'll try it on my 20D!


Despite the book being brill re CS4 techniques I think he has it wrong re camera settings.
17 May 2009 10:53PM
My cameras both only allow 3 exposure on AEB. I normally set the AEB difference to 2 stops and use RAW. This is usually enough for many high dynamic range shots but some do need at least 5 exposures. This is what I do:

Set to AEB and 2 stops. Determine the normal exposure and add 2 stops (+2 EV) then take the 3 exposures. Immediately reduce the exposure by 4 stops (-2EV) then take another 3 exposures. You will actaully have 6 exposures and 2 will be at the middle exposure so you can discard one. You are left with -4, -2, 0 +2, +4 EV. Of course you need to use a tripod and avoid anything which moves.

Dave

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