TheShoe Loc: Lacey, WA

Years ago, before breakthrough became the name of a company, I purchased K+W and was satisfied that I had purchased a quality product. You still would be purchasing quality if you bought K+W; however, today I would get Breakthroughs and get even better quality for about the same price. I see no need to replace my current CPLs, but if that time ever comes, it will be with the newer technology be it Breakthrough or whatever follows it.

tommystrat Loc: Bigfork, Montana

Do people just troll here looking for typos? And respond with such glee when they find one? There's a life out there for everyone - maybe try to find yours...

tracs101 Loc: Huntington NY

Breakthrough Photography's CPL

drmike99 Loc: Fairfield Connecticut

I use B&W and Hoya and am satisfied. In fact I’m expecting a 67mm Hoya CPL on Wednesday for my new 85mm Nikkor.

lightyear

Circular polarizers have strange effects at wide angles( under 30 degrees). You will be able to see this when you vary your lens from WA to mild tele./ As to CPL differences: I have Nikon, B+W Kaseman, Heliopan, Canon, Marumi. I acquired them at different times, and they are varying diameters (52, 62. 67. 72. 77. 82 mm). They all work well, and I am sure some are better tan others. but I can see no obvious differences, no color cast. They all polarize well, none have delaminated the internal polarizing grids ( see a good explanation of what a circular polarizer does, and how it is constructed). The one problem I encountered is that the poorly coated polarizers ( an early Nikon 67mm model)have reflections that degrade the image. Each polarizer maker has several different grades of circular polarizers related to anti-reflection coatings, quality of glass, edge sealing ( Kaesman), whether the metal rim is brass or aluminum etc. WEhatever you do, get a major brand with good coatings.