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a type of filter used to reduce oblique reflections and increase color saturation

1 vote

Why don't today's lenses come with a polarizer by default?

Both those answers are good so I won't add to them except to remind you that a good quality 77mm filter plus step-down rings is a worthwhile investment that will likely fit every lens you ever own, ev …
Max Sang's user avatar
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2 votes

What is a source for small pieces of thin, high-quality, polarizing film for use with rear-f...

I'm afraid the comment by Jerry Coffin regarding wave plates isn't true. Quarter-wave plates for a given wavelength of light can be a huge variety of thicknesses. Even strongly birefringent materials …
Max Sang's user avatar
  • 1,284