To UV, or not to UV, that is the question. When acquiring a new lens, many folks will buy a “clear” filter to protect the front surface. The most common type of filter is a “UV” filter that appears to human eyes to be clear. There’s some controversy about how such a filter affects image quality. Theoretically, the more glass surfaces the more problems they can cause. But in practice does that really matter? I have a newish Tamron 17-28mm lens for my Sony E-mount cameras. It’s a nice lens. Thus far my only complaint is the lack of a lens correction profile for Photoshop and Lightroom, though I’m sure it’s in the works. I hadn’t yet purchased a protective filter. Today I was digging through a bag of free filters and noticed a vintage Vivitar Skylight 1a filter. My guess is this filter was made in the 1970’s or 80’s. It does not have multicoating and has a slightly warm cast to it. Voila, I have a filter to test! In fact this test is ideal, because the filter itse
Discussion about cameras, lenses and photography in general.