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 […]
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from DIYPhotography.net -Hacking Photography, One Picture At A Time http://bit.ly/2Ker7WO
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