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[quote name='PuxaVida' timestamp='1341909130' post='19390']

In situations like Jean-Michel mentioned I never had satisfactory results. Here in Istanbul during the summer, the hazy low contrast landscapes & seascapes are quite usual. The main problem is the vaporization in hot (and humid) summer days. Do you think UV cut off base limit has an impact on the resulting images for such cases? If yes, which filter do you suggest?



Serkan

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I doubt that UV filters really do much on digital cameras (compared to film). The best way to cut through haze is actually in the infrared wavelength range.

So, for a dSLR, you could shoot monochrome, and put a red filter on the camera, like in the good old black and white days.

So, having said that, I think a polarizer is probably the best way to go. If the haze has lots of water droplets, the polarizers could help, like apparently in this example:

http://www.dslrtips.com/workshops/How_to_use_polarizing_filters/reduce_haze_deep_blue_sky.shtml

However, the polarizer will also work nicely with reflections on foliage, i.e. reduce it and make the greens more saturated, even with ultrawide-angle.

See example here: http://photonius.wikispaces.com/Filters

You just have to be careful with the sky in the very wide-angle range.