File:Bare tube - self lit - Flickr - spacepleb.jpg

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The bare tube modded Canon 540EZ lighting itself at full power (due to lacking optical feedback sensor) fired by the Pocket Wizard Plus II visible. An experiment to capture the lighting and the light at the same time. The visible filter is a circular polarising filter rotated to around 90 degrees to the equivalent filter on the camera lens, this provides a ridiculous amount of variable light attenuation. I set the exposure on the strobe unit and Pocket Wizard by sliding them along the washing line.

I have been experimenting with using 2 polarising filters to attenuate strobe power as a progressive manual power control. It leads to colour cast unfortunately. If I had any welding goggles I would have tried these. The actual tube lets out an immense amount of light, no matter how much attenuation I could achieve, I couldn't stop it burning out.

The modification process for the strobe is here

Canon EOS350D, Canon 60mm EFS Macro with circular polariser. f/18 1/60th second ISO 200, tripod. Lighting: Natural sunlight and bare tube only. Post: Cloned out a bit of bush, added border with Gimp/Linux.

Lessons: Should have illuminated display panel...
Date Taken on 28 September 2007, 13:27
Source Bare tube - self lit
Author Dave Gough from Somerset, England
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bare, tube, bare tube, strobe, strobist, mod, modification, canon, eos350d, 60mm, efs, spacepleb, experiment, 540ez, speedlite, pw

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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image was originally posted to Flickr by spacepleb at https://flickr.com/photos/86381820@N00/1453909992. It was reviewed on 10 July 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

10 July 2020

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Date/TimeThumbnailDimensionsUserComment
current10:40, 28 September 2020Thumbnail for version as of 10:40, 28 September 20202,332 × 2,304 (2.32 MB)Wvdp (talk | contribs)Cropped 1 % horizontally, 1 % vertically using CropTool with lossless mode. Removed border.
08:00, 10 July 2020Thumbnail for version as of 08:00, 10 July 20202,352 × 2,324 (2.6 MB)Red panda bot (talk | contribs)In Flickr Explore: 2007-09-28

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