Rotor1 From Tajikistan, joined Mar 2003, 230 posts, RR: 2
Reply 7, posted (12 years 1 month 4 weeks 1 hour ago) and read 6090 times:
I think it does increase saturation because it gets rid of any reflections that could dull up the color. No window reflections = a plus, and it lowers the required shutter speed/f-stops which is cool. Only downside I can find is that on my camera (which isn't exactly a D1 or anything) it increases the visibile noise significantly. No biggie.
Spent some time playing with it the other day... nice.
Daren3006 From United States of America, joined Dec 2003, 42 posts, RR: 0
Reply 8, posted (12 years 1 month 3 weeks 6 days 13 hours ago) and read 6038 times:
I've never used a polarizer. I've heard though that you need to turn it until you get the shot you want. Is this correct? One reason I've not used one is I feel that I wouldn't be able judge the best shot looking through the view finder. I guess that may just be a little self doubt from a newbie.
Wietse From Netherlands, joined Oct 2001, 3809 posts, RR: 53
Reply 12, posted (12 years 1 month 3 weeks 5 days 13 hours ago) and read 5973 times:
That depends. If you have a lens with a fixed front element you can fit a linear polarizer on it. A fixed front element is one that doesnt rotate during the focussing, a lot of Canon L lenses are designed that way
Navigator From Sweden, joined Jul 2001, 1422 posts, RR: 13
Reply 13, posted (12 years 1 month 3 weeks 5 days 12 hours ago) and read 5973 times:
Polarizers are fantastic especially in landscape photography. I use it a lot there. It darkens the sky in certain angles. However I almost never use it while photographing airplanes except in rare cases when I like to avoid reflections in windows. I think polarizers make metal on planes look a bit dull.
Staffan From , joined Dec 1969, posts, RR:
Reply 14, posted (12 years 1 month 3 weeks 5 days 7 hours ago) and read 5960 times:
Wietse, AF systems in cameras have problems focusing through a linear polarizer, that's why it's usually circular filters that are used with these. Difference between a linear and a circular is that the circular filter (which in fact also has a linear element) has a second element between the linear filter and the lens. This element "unpolarizes" the light in a circular way to make it possible for the AF to work.
This is why it's so difficult to AF through polarized windows such as the ones in cockpits, they are linear.