Alter has spent a couple of years testing and prototyping their new Rapid Filter System (RFS). Essentially, it’s a flip-up doohicky that attaches to your camera’s filter thread on one side and your filter screws into the other. And they say it completely does away with the need for step-up rings.

It’s being launched on Kickstarter, and while I think it has some appeal in certain shooting situations, I’m not entirely sure it’s as essential as some of the hype in the embedded YouTube videos would suggest.

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