15 Jan Creating a real snow effect in Photoshop
Source: About Photography - Tom Grill
There are several ways of creating an artificial snow effect in Photoshop. I have done a number of these and keep a supply of just snow images in what I call my “Utility Images” collection for whenever I need to quickly pop some snow into a shot. The thing that makes the scene below interesting is that the snow is not artificially created, Instead I used images from the actual falling snow scene I was photographing. When you think about it, achieving a shot like this in one go with a flash is really just a balanced exposure, in-camera double exposure of the flashed image over a regular image of a scene. This time around I decided to take the exposures separately and double-expose them in Photoshop.
Both images below were done using this technique. Once scene darker than the other because they were taken at different times as darkness was falling over the city.
I had been attempting to capture this scene of snow falling over the city by using a flash to bring out the white snow flakes in the foreground. I liked the way the accumulated snow on the water towers echoed the white circles of the falling snow. Problem was that the background scene was so low in contrast that the snow flakes over-powered it in most of my shots, and you couldn’t see the subtlety of the snow-covered water towers on the roofs of the building. I kept trying to capture the scene with variations between the…
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