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Double Exposures
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Apr 16, 2017 18:41:24   #
sazfoto
 
In the days of film, I accidentally double exposed a roll of film. It's results were intriguing to me. Turns out that it was a art form. Now in the days of digital you can't double expose a file, that's where digital editing programs come in. Is there anyone else out there who likes this particular brand of photography. I just randomly put pictures together. Again the results intrigue me.



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Apr 16, 2017 18:48:40   #
Shellback Loc: North of Cheyenne Bottoms Wetlands - Kansas
 
Interesting photo -

Depends on the camera - the Nikon D610 allows for multiple exposures in camera. I've played with it a couple of times but have not mastered it yet.

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Apr 16, 2017 19:02:37   #
sazfoto
 
I have a Canon 1dx and a 5d mkiii. Guess I should read the manuals
.

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Apr 16, 2017 19:12:09   #
525erving
 
sazfoto wrote:
In the days of film, I accidentally double exposed a roll of film. It's results were intriguing to me. Turns out that it was a art form. Now in the days of digital you can't double expose a file, that's where digital editing programs come in. Is there anyone else out there who likes this particular brand of photography. I just randomly put pictures together. Again the results intrigue me.


canon t3i doesn't have that capability I can do that with pics art

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Apr 16, 2017 19:15:43   #
LoneRangeFinder Loc: Left field
 
There would be two ways to do this, with my Nikons I can take two and use "image overlay". The other way is to do "multiple exposure" which can be done with two or more "exposures".

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Apr 16, 2017 19:51:39   #
Apaflo Loc: Anchorage, Alaska
 
sazfoto wrote:
... Now in the days of digital you can't double expose a file ...

Nikon has had the ability to make multiple exposures for more than a decade. I assume other manufacturers have had the same for just as long.

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Apr 16, 2017 22:12:11   #
OutBack Loc: North Central Florida
 
You did good and you did it right; Keep up the good work!

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Apr 16, 2017 22:47:34   #
haroldross Loc: Walthill, Nebraska
 
sazfoto wrote:
I have a Canon 1dx and a 5d mkiii. Guess I should read the manuals
.


Here is a lnk about multiple exposure on the Canon 1Dx and 5D MK III.

http://learn.usa.canon.com/resources/articles/2011/1dx_multiple_exposures_article.htmlp

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Apr 17, 2017 01:20:26   #
sazfoto
 
Thank You all very much.

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Apr 17, 2017 01:32:50   #
mwsilvers Loc: Central New Jersey
 
sazfoto wrote:
Thank You all very much.

Not that you have one, but the Canon 7D Mark II can also do it.

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Apr 17, 2017 01:52:58   #
Apaflo Loc: Anchorage, Alaska
 
sazfoto wrote:
Thank You all very much.

Now it might also be fun to think about what can be accomplished with in camera multiple exposures. The obvious thing is the creative image overlays that you are experimenting with. But if you put the camera on tripod and take multiple shots of exactly the same scene there are two other possible effects.

One is to set the camera to "average" the exposures. That keeps the whites white and the mid tones at mid tone. As far as objects in the scene, if they have not moved they look exactly like a single exposure would look. But the noise does not average that way! The amount of noise at any given pixel is randomly varying from one shot to the next, and an average over multiple shots is half as much noise every time the number of shots is doubled. Two shots is half the noise, four is half again, eight is half again. Averaging eight separate exposures is a huge reduction in noise!

If the multiple exposures are just summed it is the same as an increase in ISO. If your camera can produce a good image at ISO 1600, you can get the same quality and dynamic range by shooting eight separate images and get an effective ISO 12800.

Obviously that won't help for sports or people, but for low light landscapes it is really significant.

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Apr 17, 2017 02:21:27   #
RWR Loc: La Mesa, CA
 
Apaflo wrote:
Nikon has had the ability to make multiple exposures for more than a decade.

Since the F3 in 1980, actually. I make double exposures on my Exakta VX and Leicaflexes by depressing the rewind button while winding the film advance lever. Usually have to advance an extra frame afterwards to avoid overlap, though. Somewhere I have a picture of my uncle on each end of a two-man bucksaw.

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Apr 17, 2017 02:52:57   #
Apaflo Loc: Anchorage, Alaska
 
RWR wrote:
Since the F3 in 1980, actually. I make double exposures on my Exakta VX and Leicaflexes by depressing the rewind button while winding the film advance lever. Usually have to advance an extra frame afterwards to avoid overlap, though. Somewhere I have a picture of my uncle on each end of a two-man bucksaw.

Film cameras had that functionality decades before 1980. That wasn't the issue!

I don't remember if the digital Nikon D1 could do multiple exposures, which is why I said at least ten years back. If the D1 did, I did not notice it and never used it. I am sure the Nikon D2x had that functionality, and remember specifically experimenting with it.

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Apr 17, 2017 04:04:58   #
Leicaflex Loc: Cymru
 
I double expose all the time, in film, of course.
No software needed.

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Apr 17, 2017 04:15:46   #
Apaflo Loc: Anchorage, Alaska
 
Leicaflex wrote:
I double expose all the time, in film, of course.
No software needed.

And very low flexibility or functionality too. But what works with film is not really the topic of this thread anyway...

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