For the price, it is really good.However, it does not turn smoothly and therefore may unscrew the polariser in the process, which is why I remove one star.Also, the mount is quite big and could be a bit smaller. But at this price, it is difficult to complain.Thanks

En plus de la qualité d'écoute et d'enregistrement, le port du casque est très confortable.

Love this product! Bought it for my husband he is a truck driver. He is impressed by the high quality of the product and that it was easy to connect and use.

On my Canon T3i Kit 55-250 lens, this polarizer works well. Make for awesome sky pictures with deep, rich colors. If you are looking for a cheaper polarizer, this is a good one to get.I took off a star because of how it works in screwing it on and off. If you don't pay attention, you can keep twisting the top piece of the polarizer and never actually screw it on or off. It's a two piece assembly that can twist on top but not turn the threads. It's not really a flaw, but is frustrating until you figure out how it's on there, and with big fingers it can be hard to get just right.I'd still buy it again though, I don't really ever take it off my telephoto lens.

Wanted an Olympus tough with focus stacking for lichen photography. The light guide is very handy for all round illumination