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-   -   Polarizer/filter question- (http://www.wakeworld.com/forum/showthread.php?t=752006)

barry 12-16-2009 3:27 PM

I'm in need of a 77mm polarizing filter for a 70-200 2.8 and a 28-70 2.8..I want to be able to swap it between lenses instead of buying two.There's a fairly large price gap between low end and high end filters. Are the 200.00 filters worth twice as much as the 100.00 filters as far as IQ?

peter_c 12-16-2009 7:48 PM

Dunno, but all my filters are B+W and did not cost $200. <BR> <BR>Are the lenses different sizes in the threads? It is pretty much impossible to utilize a hood with an oversize filter and an adapter.

wakesurf12 12-16-2009 9:09 PM

The more expensive filters are worth the price. Why put a less than antiquate piece of glass over a $1000+ lens. <BR> <BR>Good glass is where it's at.

barry 12-16-2009 9:29 PM

Peter, both lenses are threaded 77mm, so a single 77mm will fit both like a UV/protective filter. A hood will not be an issue on either one. <BR> <BR>Ryan, I guess that is my question; are the 100.00 filters less than "antiquate"(adequate...?).

wakesurf12 12-16-2009 10:22 PM

Which ones are you looking at? I am rocking B+W's on my lenses. But just UV's. I am sure the Pol's cost more.

barry 12-16-2009 10:57 PM

<a href="http://www.bhphotovideo.com/c/product/606825-REG/Canon_2191B001_2191B001_77mm_Circular_Polarizing.h tml" target="_blank">http://www.bhphotovideo.com/c/product/606825-REG/Canon_2191B001_2191B001_77mm_Circular_Polarizing.h tml</a> <BR>Vs. <BR><a href="http://www.bhphotovideo.com/c/product/9760-REG/B_W_65_062162_77mm_Circular_Polarizer_Glass.html" target="_blank">http://www.bhphotovideo.com/c/product/9760-REG/B_W_65_062162_77mm_Circular_Polarizer_Glass.html</a> <BR> <BR>Is the Canon twice and good as the B&amp;W? What price point do you hit before you run into diminishing returns? Which is the best bang for the buck? Not necessarily just between those two.. I just used those two as an example because of their similarity and price spread. <BR> <BR>(Message edited by barry on December 16, 2009)

barry 12-16-2009 11:03 PM

Basically, I want to purchase one good quality filter, but I don't want to waste my money by over purchasing.

peter_c 12-16-2009 11:39 PM

I would guess you are paying for the Canon name with no real difference from a B+W. I would stay away from the cheapo's though like Tiffen and Hoya's low line. <BR> <BR>These are the ones I have in a couple of sizes. I ebayed one and got another from I believe Adorama. <BR><a href="http://www.bhphotovideo.com/c/product/181590-REG/B_W_66025844_77mm_Kaeseman_Circular_Polarizing.htm l" target="_blank">http://www.bhphotovideo.com/c/product/181590-REG/B_W_66025844_77mm_Kaeseman_Circular_Polarizing.htm l</a>

richd 12-17-2009 5:23 AM

You're paying for the anti reflective coatings on the better filters like the Hoya SMC's and B&amp;Ws, in Canon's case you're paying for the logo. That's a good price on that B&amp;W btw. For a 1 filter solution the circ pol is the last filter I'd buy however, way too specialized to stay on any lens all the time. I use UVs for front protection, NDs for video and ND grads for landscapes.

peter_c 12-17-2009 9:08 AM

What I read on Nikonian's by some prominent photogs was that UV filters are useless on a digital camera, because it was a sensitivity to the film that created the need, where as a digi sensor is not affected by the UV. Of course many of them suggested insurance and no frontal protection. I use a B+W clear with coating to protect the front of two of my lenses, no UV protection. <BR> <BR>Anyone got any thoughts on this issue?

richd 12-17-2009 10:00 AM

The problem with cheap UVs (when used for protection only) is they can sometimes cause reflections hence the recommendation for the Hoyas I spoke about above. I try to avoid them as well but if I'm carrying the camera in my coat skiing or in a pack it's cheap insurance. I agree that they're useless as far as improving the image.

barry 12-17-2009 2:37 PM

Thank you for the advice, guys. Good to know about the coatings/reflection on the UV's. <BR> <BR>Rich, I'm not looking for the filter for protection, or to leave on.. just to knock down some haze/reflection on sunny days and I'd like to be able to use it on both lenses when necessary. <BR>I have a Cokin holder for grads, etc. <BR> <BR>(Message edited by barry on December 17, 2009)

richd 12-17-2009 5:02 PM

You lose a stop with polarizers, use an nd .3 or a contrast enhancing type filter.

barry 12-17-2009 8:28 PM

Will the ND knock the haze/reflection down?

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