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DIY Guides

How to Modify Canon EF-S Lens to Fit With an Optolong L-Pro or Any Other Clip-in Filter

You probably bought an Optolong filter and were excited to use it on your camera in a galaxy hunting on Friday. But that unfortunately did not happen because the lens refused to fit into the place. So what’s happened? If you read the small print on Optolong page it says that those filters do not […]