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  1. Is it wise to use polarizing filters with wide-angle lenses?

    18 I've been looking into whether to use a regular UV or polarizing filter for a 16mm wide-angle lens and have found that a large number of people believe that you should never use a polarizer with a wide …

  2. What is the difference between a linear and a circular polarizer?

    A polarizer works in the way that it will let through only the light that is polarized in the same direction as the filter is currently turned. It is true that many AF systems have problems with this. To solve this, …

  3. polarizer - How can I reduce reflections in a glass corner ...

    Feb 22, 2017 · I am a photography novice, and am trying to understand how polarizing filters and light reflections work. I'm trying to understand how to reduce reflections in a glass corner. The context is …

  4. filters - Why don't circular polarizers reduce light transmission by ...

    8 I assume that an ideal circular polarizing filter should cut light transmission by exactly half – i.e., 1 stop – because every photon has (on average, with respect to a filter) either one of two circular polarities …

  5. How do I find the right size of filters for a lens?

    Apr 13, 2011 · 26 I was looking to get a circular polarizing filter and an UV filter for my Canon 550D, 18-135mm lens. When I checked online I found these filters came in different sizes, like 62mm, 67mm, …

  6. In which situations should I use my circular polarizing filter?

    I received a circular polarizing filter as a gift, but I have a hard time determining when I should be using it. I've done river shots with some success, but other than that, it doesn't seem to do much beyond …

  7. What is the difference between using an ND filter versus 2 polarizers ...

    A polarizing filter only lets through light with a certain "orientation" and proportionally filters out light rays with different orientations. The further the orientation is away from the orientation of the polarizer, the …

  8. How can I fix a sticky polarizing filter? - Photography Stack Exchange

    Oct 19, 2012 · I took a gamble and bought a used B+W Circular Polarizer off eBay. The filter looks great but the adjusting ring is a little bit sticky. Is there some way to lubricate this?

  9. Is there any filter opposite to Polarizing filter, to emphasize ...

    Polarizing filters are mainly used to reduce glare on water or similar surfaces. My question is, are there any filters that do the opposite job? ie that allow the camera to capture more glare or reflections on …

  10. What do I need to know about using a polarizing filter at night?

    Dec 14, 2014 · I am into night photography, and am looking at buying a polarizing filter. What particular advantages and challenges are there to using a polarizing filter at night? reflections from light on mate...