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Forum: Troubleshooting and Beginner Help
06-04-2012, 11:39 PM
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The primary purpose of a lens hood is not to protect the lens. It prevents light from the sides affecting the image.
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Forum: Troubleshooting and Beginner Help
06-04-2012, 10:02 PM
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UV and clear filters have no other purpose on dSLRs; and they may affect image quality. I have taken mine of after I noticed reflections in night shots that disappeared after I removed the UV filter. I will only put them back on in adverse conditions (e.g. sandstorm).
Some often used filters:
** polarizer filter (circular (CPL) and linear (LPL))
from wikipedia
** neutral density (ND) filter
blocks light allowing the use of longer shutter speeds to achieve effects like silky waterfalls during bright daylight
** graduated neutral density (GND) filter
identical to above but effect is stronger at one side; can be used to reduce the intensity of the sky so it is not / less washed out
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