Excerpt: Works as advertised. The filter is able to be spin in either direction independently of the screw-in attachment to get the desired effect. Price wasn't the cheapest but I wanted a decent filter that I could trust to do its job.
Excerpt: Great quality, clarity, and cleans easily. Rotates easily to the polarized setting and do sentget stuck to the lense like some. I like nikon filters and this one is great for a cpf. It is not extremely dark so ddon'tcount on a long exposure during the day but if you want to kill some glare or get some better definition does the job. I do wish they put a stop on the filter so that Iit would not rotate 360 degrees and you wouldn'thhaveeevento hunt for the filter..
Excerpt: I purchased this (highly specialized) polarizer for the Nikon 200-400mm f/4 lens. While I found it important to pay close attention to the instructions for removing the standard drop-in filter and installing this, I am so pleased with the results and ease of use that I now leave the polarizer in place and treat is as simply one more of the numerous useful controls that are part of this lens.
Excerpt: The filter slips in easily and securely. Easy to adjust and rotate the filter inside the lens to get the polarizing effect. Strong construction for the mount.The hard plastic case for the $[$]filter is very cheaply made and mine was broken when I received the new filter from B&H. I bought a B+W hard plastic filter case for 105mm filters for $[$]and the Nikon 52mm drop-in filter assembly and the blue foam from the cheap Nikon case fit perfectly.
Pros: Clear Optics, Easily Mounted, Easy To Rotate, Firm Mount, Strong Construction