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Trying to do a double exposure with Nikon D750
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Aug 24, 2019 15:06:09   #
rmalarz Loc: Tempe, Arizona
 
Your best bet for exposure and positioning will be a processing program that has layers and masking.
--Bob

Triplets wrote:
Steps taken:

1. Take photo #1 showing front of pin
2. Re-position pin on a different flower
3. Take photo #2 showing back of pin
4. In "Retouch" menu, select "Image Overlay"
5. Select images to be processed

It came out OK, but not really what I wanted. The flowers can be seen under the pin images. I was looking for a true double exposure. Any way to do that with the D750?

Thanks,

Dennis

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Aug 24, 2019 16:22:18   #
Triplets Loc: Reading, MA
 
rmalarz wrote:
Your best bet for exposure and positioning will be a processing program that has layers and masking.
--Bob


Thanks Bob -- and thanks to all who have responded.

Dennis

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Aug 24, 2019 18:42:54   #
User ID
 
Triplets wrote:

It came out OK, but not really what I wanted.
The flowers can be seen under the pin images.
I was looking for a true double exposure.
Any way to do that with the D750?


You followed the steps, and you got a
your "true double exposure". Your pic
IS that very thing. Seems you wanted
some OTHER thing ... a composite, as
is done by masking and layering in PP.

Theoretically, you can get your desired
result, in-camera, by masking the shot
in the real world. You must place one
very dark black-out circle in 2 different
locations, one circle per exposure. This
blocks the creation of the "show thru"
flower images, which you object to. It's
a verrrrrrry challenging sooooper PITA.
I described it to help you understand
the nature of double exposures ... NOT
as a really practical approach.

BTW, it appears that you neglected to
lock down your tripod ? Or the flowers
moved in the breeze ? Not allowed !

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Aug 24, 2019 18:57:06   #
User ID
 
Scruples wrote:
....
There is a multiple exposure menu in my Canon.
I think there is a multiple exposure menu in your
D750. Follow the instructions at: slrlounge Tips&
Tricks Creating Double Exposure In-Camera ......

Happy Shooting!


He has correctly done that procedure.
He has a successful double exposure.
It's simply not a suitable approach to
his intended final image.

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Aug 24, 2019 21:00:58   #
hassighedgehog Loc: Corona, CA
 
The Photoshop or Elements way would be the best. To make the image of the pin the right size to select almost automatic, place it on each flower and shoot it, then select and copy at the same image size. If the pins are left at 100% transparency and over the flower image in layer history they should completely cover the flower center. Selecting the pin image should make the background transparent on that layer. If you use the in-camera double exposure the camera's program might choose transparency levels that you don't want. Check your manual regarding the camera's choices to be sure. I had a Pentax K-x that would do that long before other brands would even do multi exposure.

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Aug 24, 2019 22:06:01   #
Gene51 Loc: Yonkers, NY, now in LSD (LowerSlowerDelaware)
 
Triplets wrote:
Steps taken:

1. Take photo #1 showing front of pin
2. Re-position pin on a different flower
3. Take photo #2 showing back of pin
4. In "Retouch" menu, select "Image Overlay"
5. Select images to be processed

It came out OK, but not really what I wanted. The flowers can be seen under the pin images. I was looking for a true double exposure. Any way to do that with the D750?

Thanks,

Dennis


Use two images, load them into Photoshop or similar program, load them as layers, with the primary layer on top and the layer to be "overlayed" underneath. Use the blend mode "difference" to align the two images. Then use a brush to erase the area on the top layer (flowers) to reveal the bottom layer "pin". if you have to move or scale the pin layer, then you can do that as you are aligning theme. Once they are aligned then you can change the blend mode to normal, erase the top layer (flowers) to reveal the bottom layer (pin) and i think you'll get what you are looking for.

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Aug 24, 2019 23:24:36   #
JD750 Loc: SoCal
 
User ID wrote:
He has correctly done that procedure.
He has a successful double exposure.
It's simply not a suitable approach to
his intended final image.


That is a good summary of what happened.

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Aug 26, 2019 19:46:27   #
stan0301 Loc: Colorado
 
Tons easier in Photoshop—Scot Kelby’s book makes using Photoshop more than easy
Stan

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