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user 2329
For questions pertaining to photographic filters, which are usually glass or plastic accessories that are either screwed onto the lens or otherwise added in the optical path. Use "software-filters" for effects filters applied in apps such as Instagram, Photoshop, GIMP, etc.
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 …
- 1,284
2
votes
What is a source for small pieces of thin, high-quality, polarizing film for use with rear-f...
for more info:
Wave Plates
In answer to the OP, I think the partial polarisation of the light that you're trying to exploit is quickly destroyed by passing through the various elements of the lens, so filters …
- 1,284