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Today I posted a video showing the differences between a linear polarizing filter and a circular polarizing filter when flying a drone (DJI Phantom 3) over water. Notice the difference of the reflections on the water and also how blue the sky is. This features 

I test every set of filter rings I send out, but something might have changed recently at DJI because I had a few people that told me their rings don't fit. For those people I custom printed a new size, usually 0.5% larger, and sent it to them for free.  To compensate for slight manufacturing variences both at DJI and at DitzCo, I have redesigned the clip to adjust automatically. I am in the beta testing process now and I sent out some samples today. If your filter clip doesn't fit please let me know and I will send you a new one...

I have been refining my process and looking to produce the very best parts. Last night I purchased Simplify3D to see if I could get better parts. By using the default settings, but turning off the heated bed because I use BuildTak, I was able to get some great prints. Here is an example of two parts. One was printed with the medium setting on the Makerbot free software Makerware and the other with Simplify3D at medium. Quite a difference. It looks like it was done on a different printer. Here are a few more test prints.   Not only...

After months of selling my ND (Neutral Density) filter pack on eBay I decided it was time to make it even better. I kept it lightweight and easy to change, but made it easier to use and to clean. The biggest frustration people had with the earlier design is the need to touch the filters when you installed them or removed them. Look Mom, no more fingerprints! Notice how the fingerprint was on the tab but not the filter covering the lens. To make this work with the new filters I had to change the white plastic ring that holds them...