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Image Overlay for underexposure

hyphotographer

UK
137 posts

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hyphotographer Registered since 19th Mar 2012
Wed 05-Sep-12 09:59 PM

My trick to use D7000: If you underexpose a shot, you may use Image Overlay (IO) to improve the brightness using the image overlay function on D7000. You may repeat the operation too. The downside is noise (similar to high ISO) effects will appear.

Adjusting the gain will also improve the exposure, you may use NEF processing to adjust the exposure too.

Also, you may also retain the White Balance (WB) setting on an image by using Image Overlay (IO), because NEF processing will disable WB tweak.

winclk

philadelphia, US
119 posts

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#1. "RE: Image Overlay for underexposure" | In response to Reply # 0

winclk Registered since 15th Jan 2007
Wed 05-Sep-12 09:42 PM

Why would you want to do that? Could you give me a shooting situation that would benefit from doing that technique please?

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Leonard62

Pa, US
4419 posts

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#2. "RE: Image Overlay for underexposure" | In response to Reply # 1

Leonard62 Gold Member Awarded for excellent contributions and sharing his in-depth knowledge and experience with the community, especially of Nikkor Lenses Writer Ribbon awarded for his contributions to the Nikonians Resources articles library Nikonian since 15th Mar 2009
Thu 06-Sep-12 03:21 PM

I agree with you Robin. This is certainly not a procedure you would use initially. It does work though but is a cumbersome way of lightening up your photo in camera when it's much easier to do in post processing software. Actually it's not the intended purpose of this technique. It's not an image overlay but a method of using the tool on a single photo. For me if I want to brighten up a photo in camera I would use the Quick Retouch option in the Retouch Menu. It's much easier.

Len

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texspeel

Fairfax Station, US
391 posts

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#3. "RE: Image Overlay for underexposure" | In response to Reply # 0

texspeel Silver Member Nikonian since 09th Nov 2011
Thu 06-Sep-12 04:13 PM

Seems like if you're checking the histogram with any frequency, you could do a reshoot at the time you take the initial frame and properly expose it.

"Nothing can be recognized without light and shade. It is only through the eye, the window of the soul, that we can truly understand the complex workings of nature." - Leonardo da Vinci

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benmlee

US
39 posts

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#4. "RE: Image Overlay for underexposure" | In response to Reply # 0

benmlee Registered since 03rd Jul 2012
Sat 08-Sep-12 04:41 AM

You mean copy the image first to create a duplicate, then overlay. Would not make sense to take a second photo to overlay since the camera may have shifted.

Question is does that have any advantage over just changing the brightness on the computer.

Leonard62

Pa, US
4419 posts

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#5. "RE: Image Overlay for underexposure" | In response to Reply # 4

Leonard62 Gold Member Awarded for excellent contributions and sharing his in-depth knowledge and experience with the community, especially of Nikkor Lenses Writer Ribbon awarded for his contributions to the Nikonians Resources articles library Nikonian since 15th Mar 2009
Sat 08-Sep-12 01:48 PM

Until Alan posted this technique I never used any feature of the Retouch Menu in any of my cameras. So I tried it just to see what he was talking about. You actually don't have to copy the photo or overlay anything. First off you must have a raw file to use this feature. Then you can just increase the brightness of the photo and save it. You get the same photo brighter and the same file name except it's saved as a jpg.

I don't see the advantage of doing this in camera versus post processing it on the computer unless you make prints directly from the camera or memory card.

Len

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G