Can in-camera multiple exposure replace a long exposure for silky water on a Nikon D700?
Asked 8/24/2013
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I use a Nikon D700 with a Samyang 14mm manual lens, which doesn’t have a front filter thread for standard ND filters. I’d like to photograph waterfalls and seashore scenes in Iceland and get a silky-water effect.
Can the D700’s in-camera multiple exposure mode give a similar result to one true long exposure? If so, what shutter speeds tend to work best for each frame? Is this more suitable for waterfalls/streams than for ocean waves?
I’m also wondering whether bracketing can be used together with multiple exposure on the D700.
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
12y ago
2 Answers
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I do not know about the in camera multiple exposure capabilities of your camera; however, others have faced this issue with a DIY approach and an ND filter.
Photoshop can also be used to combine multiple exposures, I have also used photoshop to simulate long exposures, this works quite well. The trick is to blend each layers with half the opacity of the previous layer, e.g. your first layer is at 100%, then 50%, 25%, 12%, etc. You can also take sets of photos combine them into layer groups and then blend them if you have many frames.
Originally by user20982. Source · Licensed CC BY-SA 4.0
user20982
12y ago
0
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A true long exposure is usually the simplest and most effective way to get silky water. Multiple exposure can approximate the effect, but it’s generally more hassle and may not work as well for fast-changing surf.
From the experiences shared, multiple exposure can work if each frame is already somewhat slow—roughly around 1/10 to 1/4 second per shot. This tends to work better for streams and waterfalls than for the seashore, and better with a wide lens than a telephoto, because motion and alignment issues are less obvious.
If you try multiple exposures, use a tripod and ideally a remote release so all frames stay aligned. If your camera requires re-entering multiple-exposure mode for each series, that can slow things down.
Another option is to shoot several frames and blend them later in Photoshop. One method is to stack the images and reduce opacity progressively: 100%, 50%, 25%, 12%, etc., which can simulate a longer exposure.
Because your lens can’t easily take normal screw-in ND filters, blending multiple frames later may be the most practical workaround if you can’t use a dedicated filter setup.
The provided answers don’t confirm whether the D700 can bracket while in multiple-exposure mode.
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