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Taking Hdr Photos


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#1 jpedersm

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Posted 24 November 2015 - 06:59 AM

Im just starting out and trying to get the correct exposure.  I know with HDR it is a set of multiple exposures.  When doing this how often do people take there photos this way to get a correct photo, instead of taking one shot and trying to get everything correct?



#2 David Pavlich

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Posted 24 November 2015 - 09:29 AM

I like HDR for those lighting situations that are problematic with a single shot like indoor real estate.  You can use multiple flashes to eliminate hot and cold spots, but HDR eliminates this need.  My workflow goes like this:  I set up the camera/tripod and take a shot with the camera on AV (Canon), ISO100 and f8 and take the shot.  I use a wireless release.  I read what the camera chose as the shutter speed, let's say 1/4 for this hypothetical.  I then set the camera to Manual, f8, ISO100 and count backwards for my shutter speed.  I go two stops between shots.  Example:  First shot is 1 second, the second is.6, the third is.4, the fourth is 1/4, the fifth is 1/6, the sixth is 1/10 and the last is 1/15.  Note that the speed that the AV shot had chosen is the middle exposure.  I adjust the shutter speed manually between shots.  I use a Canon 16-35 f4 L lens.

 

For processing, I take the 7 shots into Light Room, hilight the 1/4 exposure and do a lens correction only.  Then hilight all 7 and Sync.  I export to Photomatix Pro 5 and use Fusion Natural as the blending method.  Tone Mapping is not good for real estate.  Make a few adjustments and send it back to LR for anything else it might need.

 

Here's the interior of a restaurant I just shot.  The advantage to this sort of bracketing is that the interior comes out nicely AND you get detail in the windows.  If you properly exposed this to get a nice interior, the window would be blown out.

 

1QacxVe.jpg

 

David


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#3 jpedersm

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Posted 24 November 2015 - 12:39 PM

So do you take all of your shots this way or just real estate stuff?



#4 David Pavlich

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Posted 24 November 2015 - 01:27 PM

All of my shots are done this way with a minimum of 5 exposures, 7 being the norm.  The difference is in the processing.  If you look through the HDR section, you'll see a thread about a Carguy HDR.  Those images are 7 exposures, but done with Tone Mapping in Photomatix Pro 5 to get that "overcooked, grunge" look.  Not everyone's cup of pixels, but I like the look for mechanical stuff.

 

I'll go through the presets and if I find one that has the look that I want, I'll use it as a basis and adjust from there.

 

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#5 Roderick

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Posted 24 November 2015 - 01:28 PM

Hello David.

(Sorry jpedsrsm for butting in)

 

This is gold dust.

Why do you only do a lens correction on the centre (1/4) exposure ?

or am I missing something ?

 

Rod



#6 geedee

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Posted 24 November 2015 - 04:01 PM

Nice work David, For me your image above is an example the perfect use of HDR The overcooked stuff is not my thing.


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#7 K_Georgiadis

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Posted 24 November 2015 - 04:29 PM

This is great use of HDR, David!
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#8 David Pavlich

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Posted 24 November 2015 - 05:34 PM

Hello David.

(Sorry jpedsrsm for butting in)

 

This is gold dust.

Why do you only do a lens correction on the centre (1/4) exposure ?

or am I missing something ?

 

Rod

That's just my foible.  :-)  You can do any one of them. The really important thing is to sync them.

 

David


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#9 Roderick

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Posted 25 November 2015 - 04:25 AM

Ah.

So the correction gets applied to the lot.

Thanks.  Going to give it a try

 

Rod


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