How much light does CNTL flash "spill" into scene?

Started Jan 10, 2013 | Discussions thread
Glenn Veteran Member • Posts: 7,880
Re: How much light does CNTL flash "spill" into scene?

Allan Olesen wrote:

  1. It is strange that Sony doesn't sell an IR pass through filter for the controller flashes. As I have understood it, such a filter solves the problem completely since the flash emits plenty of IR light, the sensor on the flash reacts to IR light, and the camera's image sensor is immune to IR light because of a built in filter. Instead, people have to mess with exposed film in front of the controller flash.

It could be useful but for the most part if you work smart it's not an issue. Metz actually makes such a clip on filter they supply with their little macro ring flash. It actually works with the Sony ADI wireless system but being a macro flash your subjects are always only a few inches away so they supply the little clip on thing that blocks visible light from the pop up that can cast shadows on your subject.

Apologies to B&H Photo and Video for poaching this image from their site... WHere they have this flash on sale for a measly $399.95

That's the IR pass filter on the left

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