questions on circular polarizer filter


Nov 30, 2009
51
0
0
Singapore
#1
hi, im thinking of buying a CPL filter for my lense. and i saw a thread in clubsnap selling circular polarizer/cir-polarizer filter.

i would like to know, or even better(recommendations) on the difference of a normal polarizer and circular one. thanks :)
 

Jul 2, 2010
180
0
0
#2
polarizing filter got 2 types. linear and circular. for dslr you should use circular as linear will mess with the metering system. hope this helps :)
 

spree86

Senior Member
Feb 3, 2009
4,774
0
0
Bishan
www.flickr.com
#3
hi, im thinking of buying a CPL filter for my lense. and i saw a thread in clubsnap selling circular polarizer/cir-polarizer filter.

i would like to know, or even better(recommendations) on the difference of a normal polarizer and circular one. thanks :)
Yea, DSLRs should use a CPL but not to worry, walk into any shop and ask for a polarizer, 99.99% of the time they will give you a CPL and not a linear one.
 

SilverPine

Senior Member
Jul 8, 2007
4,539
6
38
Singapore
#5
CPL only cut off reflection from water, glass and etc. But, if you are shooting landscape you might want to consider GND filter. Last time I use the CPL was years ago, I found that GND filter doing a better job in bring out the details from the ground and cut off the brightness from the sky. :)

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#7
Usually when you ask for a polarizer at the camera shops, they'll show you the circular type. Linear polarizers will cause problems with auto-focus and metering systems of modern day DSLRs. Polarizers can be used to enhance the contrast of the sky/clouds, suppress reflections, enhance the colour of foliages. Choose what you need wisely :)
 

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