Flash Projector

by Walker, published

Flash Projector by Walker Nov 8, 2013
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This is a 3D printable slide projector that will work with a Nikon SB-600 flash.

The goal of this project is to sync the slide projector with my camera so it will project an image or pattern when I take a picture.

For the projector to work you need to attach a flash to the back and a lens to the front to focus the light.

I find using a flashlight to get everything set up and in focus is a good idea, then switch to the flash.

I designed some custom slides with patterns for creating different effects. Mounted slide film works great too.

This model is set up for use with a Nikon Speedlight SB-600 and a Nikon lens mount. I've been using a bower 85mm 1.4 lens to test. But other lenses work. You just new to be able to open the aperture manually. Newer Nikon "G" lenses wouldn't work as well.

This project was created in Tinkercad, and I used Meshmixer to generate support material for printing.


The distance between the slide slot and the front of the Camera mount in the "Flange distance " for a nikon camera it is 46.5mm.

This distance is important for the lens to focus properly on the image plane. I'm not sure if it's as important going the other way and projecting through the lens. But I used it.

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Great work!

I used to do this with a lens and flash gaff taped together. Usually the "slides" were just handwritten with a wet erase pen & overhead projector plastic sheets cut to fit. I also had pretty good success printing photos onto projector sheets and using those. Then I would superclamp it up somewhere the tourists went to with an optical slave, double slaved to a trigger for my own camera. When they'd be taking their snaps, it'd trigger the photobomb flash with whatever nonsense I'd put in there(usually pretty lewd stuff...I was 13 or 14 at the time). Hilarity ensued when I'd develop the film/check the files. I hope they found it funny too!

Good day. But can the same thing but under sb900. ready to send dimensions. thank you.

I love this. It adds so much to the pictures you have taken without being overbearing. It's really a beautiful thing. I would love to remix this to work with my Fuji.