cokin filter?

davex
Posted 15/08/2009 - 17:14 Link
Quote:
I've used the Cokin Z-pro with a screw-in pol without any problems you just need to have a finger on the pol if you turn the holder.
If you have pol inside the holder then when you turn the holder you need to re-adjust the pol again so it might even be handier to have a pol screw-in pol then a Cokin pol.
Think it`s time to call it a draw Stefan

Quote:
It is not crucial to get a circular polarising filter, a linear polarising filter will also work on Pentax DSLRs despite what many people will tell you!
Have read this a few times, this article gives a brief description of the issue. Perhaps this is the only time Pentax AF beats the opposition.

Davex.
K5 + 8mm-500mm zooms and primes
Please feel free to play with any images I post.
My flickr: link
ems82
Posted 15/08/2009 - 17:15 Link
Quote:
if it's for a wide angle lens make sure it is a slim fit.
wish i had a wide angle lense for it too fit and i have ordered a cheap and cheerful hoya one off ebay 12 quid so ill see how it goes thanks people
Emma
"Photography is a way of feeling, of touching, of loving. What you have caught on film is captured forever... it remembers little things, long after you have forgotten everything." Aaron Siskind
Bodies K20D, LTL 3, K1000d
Lenses Pentax 50mm, Pentax 135mm, Tamron 70-300 macro
ems82
Posted 15/08/2009 - 17:18 Link
thanks for link dave excellent reading helped me understand the difference bit better will save for future ref
Emma
"Photography is a way of feeling, of touching, of loving. What you have caught on film is captured forever... it remembers little things, long after you have forgotten everything." Aaron Siskind
Bodies K20D, LTL 3, K1000d
Lenses Pentax 50mm, Pentax 135mm, Tamron 70-300 macro
johnriley
Posted 15/08/2009 - 17:22 Link
The advice about polarisers started in the era of AF film cameras, and became the "received wisdom" that passed onto DSLR users.

It seems it may well not be true any more.
Best regards, John
Roscoe
Posted 15/08/2009 - 17:45 Link
johnriley wrote:
The advice about polarisers started in the era of AF film cameras, and became the "received wisdom" that passed onto DSLR users.

It seems it may well not be true any more.
Hello John,

Other than changing the blue in clouds, and removing the reflections caused by glass and water, how much do you now use a circular polariser?

Regards,
Peter
johnriley
Posted 15/08/2009 - 17:54 Link
Peter, personally I use polarisers very rarely. I have both types, but find little need for them.

With wide angle lenses the vignetting they suffer often darkens the sky enough for me. If you remove reflections on water then you change the natural look into something else.

I tend to use polarisers when I want to photograph anything under the surface of water, or sometimes to reduce the glare from green leaves.

Hope that helps!
Best regards, John

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