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Thread started 08 Feb 2009 (Sunday) 20:26
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D+ (Highlight tone priority)

 
Just ­ Be
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Feb 08, 2009 20:26 |  #1

This feature is new to me on my 50D.

Handbook says...

"Improves highlight detail. The dynamic range is expanded from the standard 18% gray to bright highlights. The gradation between the grays and highlights becomes smoother. Noise in the shadow areas mat be slightly more than usual. The settable ISO range will be between 200-3200."

It seems like a useful feature.

Anyone have any experience good or bad with this feature?



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Feb 08, 2009 20:31 |  #2

tons of threads with this info already. do a search. but yes, I personally find it very useful, especially when shooting white objects in bright light. It basically shoots the picture 1 stop ISO lower than what you set to... then it selectively pushes the exposure on the entire image except the highlight areas.


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Just ­ Be
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Feb 08, 2009 20:41 as a reply to  @ picturecrazy's post |  #3

Well I searched "D+" and "Highlight tone priority" and nothing came up.

What else would you call it?



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picturecrazy
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Feb 08, 2009 20:43 |  #4

I searched "highlight tone priority" and plenty of threads showed up. Also try "HTP"


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Just ­ Be
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Feb 08, 2009 20:45 |  #5

picturecrazy wrote in post #7284038 (external link)
I searched "highlight tone priority" and plenty of threads showed up. Also try "HTP"

Thanks. Must have left off a letter or something. As a rule I always do a search.



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Mar 21, 2013 08:00 as a reply to  @ Just Be's post |  #6

Yeah, I'm reviving an old thread, but it relates to my question...

Hightlight Tone Priority is symbolized by "D+" in the Canon system. Nikon calls it "Active D-Lighting". I know both of these features tweak the camera settings such as ISO so that highlights are preserved (e.g., when you are shooting a white wedding dress, etc.)

Question: Why the symbol "D+" and "D-Lighting"? Why use D in the name? Maybe it means Digital, but that refers to the D in 7D, 60D, D800, etc. so I don't think it's that simple.

Any thoughts on the choice of D for highlight tone priority?


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Mar 21, 2013 08:55 |  #7

Dynamic perhaps?


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Mar 21, 2013 09:01 |  #8

Does any of you guys use this with wedding photography? I have never used it before, because it limits you from going to ISO 100. The lowest ISO becomes 200.


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tgara
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Mar 21, 2013 11:52 |  #9

professorman wrote in post #15739230 (external link)
Does any of you guys use this with wedding photography? I have never used it before, because it limits you from going to ISO 100. The lowest ISO becomes 200.

A lot of folks use it, for example, a bride in a white wedding dress posing against a white wall.


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tgara
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Jun 19, 2013 08:17 as a reply to  @ tgara's post |  #10

Any ideas why "D+" is used for Highlight Tone Priority? What does D stand for??? I need to know!!


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Jun 19, 2013 08:44 as a reply to  @ tgara's post |  #11

Added dynamic range, pronounced Dynamic plus, abbreviated D+.


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rddelliott
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Jun 19, 2013 09:11 |  #12

I use D+ all the time in outdoor high contrast situations to preserve the highlights. Just note it does increase noise in the shadows slightly.




  
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Jun 19, 2013 09:40 |  #13

It forces lowest ISO to 200. Why not just shoot at 100ISO without it, and underexpose by a stop?



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Jun 19, 2013 10:04 as a reply to  @ chris_holtmeier's post |  #14

Then you have to do the process by yourself in post processing (lifting the shadows back). Using D+/HTP does it automatically.

Whether that's important or not depends on your workflow.


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Tommy1957
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Jun 19, 2013 11:00 |  #15

I tried it. It works. You just have to remember to turn it off when you don't need it. It can (will?) screw up exposure for a shot w/o lots of whites. I gave up on it. I don't like my camera trying to think for me.




  
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D+ (Highlight tone priority)
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