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Title: It warms up the color
Review: It warms up the color but I wouldn't use it solely for everything. I wouldn't recommend to use it in portrait. The filter pink-like color. So, it pop ups anything in range of this spectra, means: the red tone will be added to your face. A combination of 812 filter with UV Sigma filter reduces this effect and, actually, makes skin color look more natural, I'd compare that combination with Cokin 81C filter. The Tiffen 812 transparency is about half stop, what adds a bit contrast to your pictures. The filter (62mm) well made and did not give a vignetting at 18mm focal length (with Sigma 18-200mm lens) even with UV Sigma filter on. The filter has internal thread which allows to put on another 62mm filter.All in all, the 812 warming filter enhances pictures, it did make my pictures soft, the price is right, in my opinion - worth to buy.
