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Author Topic: slim filters necessary for wide angle 17-40? and 24-105 lenses?  (Read 2632 times)

tome223

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slim filters necessary for wide angle 17-40? and 24-105 lenses?
« on: December 04, 2012, 10:55:19 AM »
Hello, I may be obtaining these 2 lenses in the next few weeks and had a question about if I need a slim filter for the 17-40 and/or the 24-105.  I prefer B+W filters and have them on most of my lenses.   I presume I need the B+W slim UV filter as an everyday protector for the 17-40?
http://www.bhphotovideo.com/c/product/132948-REG/B_W_65_026901_77mm_Ultraviolet_UV_Filter.html

I'd also probably get the slim cpl
http://www.bhphotovideo.com/c/product/133012-REG/B_W_65_016930.html

With the 17-40, would I be able to stack the slim cpl on top of the slim uv filter or would I need to remove the uv filter?  just curious.

And is a regular filter on the 24-105 ok?  such as this one?
http://www.bhphotovideo.com/c/product/11994-REG/B_W_66_070252_77mm_UV_Haze_010.html

Thanks in advance!
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slim filters necessary for wide angle 17-40? and 24-105 lenses?
« on: December 04, 2012, 10:55:19 AM »

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Re: slim filters necessary for wide angle 17-40? and 24-105 lenses?
« Reply #1 on: December 04, 2012, 12:00:15 PM »
If you're going with B+W, I'd suggest looking at the XS-Pro line.  They aren't that much thicker and you can still use the lens cap.

BruinBear

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Re: slim filters necessary for wide angle 17-40? and 24-105 lenses?
« Reply #2 on: December 04, 2012, 12:53:57 PM »
I have a regular B&W multicoated UV and it shows no noticable increased vignetting on 17-40/1Ds mark III combo. So you should be perfectly fine.  Just take note that if you stack more than one then you will have to get slim filters. 
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neuroanatomist

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Re: slim filters necessary for wide angle 17-40? and 24-105 lenses?
« Reply #3 on: December 04, 2012, 03:48:27 PM »
Can't speak to the 17-40mm, but I've tested the 24-105L.



Basically, no extra vignetting with an F-Pro mount, even an F-Pro + XS-Pro is fine (meaning you could stack a slim CPL on an XS-Pro filter).  Very slight (<1/3-stop) increase in optical vignetting with 2 F-Pro mounts, and mechanical vignetting with 2 F-Pro + XS-Pro.  You may or may not be able to stack a standard CPL on an XS-Pro without mechanical vignetting.

Even on the 16-35/2.8L II, an F-Pro UV is ok. 
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CharlieB

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Re: slim filters necessary for wide angle 17-40? and 24-105 lenses?
« Reply #4 on: December 04, 2012, 05:12:44 PM »
Hello, I may be obtaining these 2 lenses in the next few weeks and had a question about if I need a slim filter for the 17-40 and/or the 24-105.  I prefer B+W filters and have them on most of my lenses.   

Slim if you want to stack.

I'm using Hoya HMC on all mine, standard thickness, even the 16-35II, and no extra darkening at the corners.  However, if I stack there is.

Its a judgement call... I don't like to stack filters anyway.  Just take one off, put other one on. 

If you're using a CP, then you'll need a thin one, as those normally run thicker by design.

wickidwombat

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Re: slim filters necessary for wide angle 17-40? and 24-105 lenses?
« Reply #5 on: December 04, 2012, 08:03:05 PM »
24-105 doesnt need slim filters
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Re: slim filters necessary for wide angle 17-40? and 24-105 lenses?
« Reply #5 on: December 04, 2012, 08:03:05 PM »