Thursday, 30 April 2015

reverse engineering - How to reproduce a photo with silhouette and bokeh?


I recently found a photo with a silhouette and bokeh at DSLR vs Mirrorless: Wedding Photographer's review. The subjects are as dark as the background, there is only a rim light shaping their heads. I know that the yellow circles are small, out-of-focus light bulbs. I am interested in how the silhouette is made and how the it was setup with the light bulbs. Could it be a composite?


silhouette photo



Answer



There are two ways to go about accomplishing this - in camera and in post.


Both techniques will rely on shooting a rim-lit subject.


Put a flash behind the subject. In my image, I actually had the flash cranked up WAY too much, so I'm getting additional light acting as fill (bouncing off the couch and back toward the front of the subject):


Set-up below shot is below. Flash is a 430EX set to 105mm, full power, with 3 MagMod grids attached. They limit the light to 15 degree beam. I'm shooting directly opposite the flash, putting Yoshi right between me and the flash.


enter image description here



And the resultant image:


enter image description here


Technique 1: post pro add in


Now, some rough clean up work to darken everything around my couple:


enter image description here


And finally, topping with some stock bokeh shot. Bokeh meshed using Add method and slightly less opacity. Bokeh used from https://www.pexels.com/photo/time-lapse-photo-of-lights-220118/ under CC license.


enter image description here


Assuming you take the time to do this right, I'm sure you could do a lot better. But, to recap:



  • Have a point light source firing from behind, this is called a rim light


  • Darken any areas that you want gone in post

  • Add a stock bokeh shot on top, whether yours or purchased. (Creating your own stock bokeh photos is simple and fun. All you really need are some Christmas lights. Here's a good how-to)


Technique 2: in camera


And here's the shot redone holding this string light in front of the lens. It's a bit bright where I am right now and I didn't darken out the BG. Please excuse that for this example...


Photo of the lights:


enter image description here


Photo of the shot:


enter image description here


Having a big handful of Christmas lights would be better than this simple string. Also, it's terribly hard to use string lights when a cat is in the room.





To restate: These are two very different techniques to accomplishing the same thing. Many photographers are in-camera purists and will despise the above technique. If you have the time, by all means, go for in-camera. If you are shooting this on location with a non-model couple, then I would advise getting a shot without the foreground bokeh...just in case you need it later, because, now you know, you can do this technique in post quite easily.


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