Originally Posted by
Eric Leppanen
Options include the Cokin X-Pro filter system or just taping a large rectangular polarizer to the front of the lens using gaffer's tape or equivalent. The latter is the approach I used when attaching a polarizer to my SS210XL lens some years ago. Some folks have improvised home-made filter holders (made out of foam or other materials) to avoid the expense of the filter system approach with its associated holders, adapter rings, etc. The challenge with the home-made approach is securing the holder to the lens, ensuring that if the camera is tilted forward the filter won't fall off and shatter on the ground or fall into a creek. SK Grimes can fabricate a press-on holder which secures to the lens barrel via a tightening screw, but it is likely to be expensive.
Using a step-down ring can result in vignetting when movements are applied. Applying a polarizer to the rear element is not feasible for a variety of reasons (image quality issues, focus shift, etc.).
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