Recycled Polariser for 100mm Filter Holders

This post has been moved to our new site at it can be found here.

For now the pictures have been retained so you can see if the end product is of interest, but the full post can be found by following the link above.

That’s about it! The completed filter looks like this:

As far as performance is concerned, on a full frame camera using my Canon EF 20-35mm f3.5-4.5 lens, my first tests, using the back slot of the filter holder, show a bit of clipping in the corners of the frame at 20mm but it appears to be all good for 24mm and beyond. I’ll be doing some more testing to confirm this, but I’m pretty happy if it’s usable down to 24mm, as I’m not likely to want to use a polariser with a wider focal length.

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