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Old Mar 17, 2011, 9:56 AM   #1
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Default 50-200mm w/CPL?

I just attempted to put a CPL on the 50-200mm & EC-20. I was surprised that it wouldn't focus properly. It gets close but not QUITE there. Anyone else experience this?
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Old Mar 17, 2011, 1:12 PM   #2
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http://forums.dpreview.com/forums/re...7&changemode=1

MikePDX...."I originally wrote:
'I recently bought a Hoya multicoated circular polarizer for my E-30 to use on my 50-200 SWD and 14-54 II lenses. I was completely unable to get either lens to focus at all, no matter what adjusting I tried with the CPL. In fact it seemed like the camera wasn't even trying to focus at all. It was in broad daylight, and simply removing the filter allowed the camera to focus normally with both lenses.'
Well this is just to follow up in case anyone else had a similar problem. My problem was aparently a bad copy of the Hoya CPL. I just bought a B+W multi-coated CPL which works beautifully. No more issues. It cost a lot more than the Hoya, but I guess a bargain that didn't work wasn't really a bargain, was it?
Thanks to everyone for the help."

..." MikePDX wrote:
...I just bought a B+W multi-coated CPL which works beautifully. No more issues. It cost a lot more than the Hoya, but I guess a bargain that didn't work wasn't really a bargain, was it?
...Note that Hoya makes different ranges of filters. Not only cheap ones, but also quit expensive multicoated Hoya Pro 1D range, which works wery well."

Last edited by Steven R; Mar 17, 2011 at 1:40 PM.
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Old Mar 17, 2011, 1:59 PM   #3
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Hi Steve

Thats a good find.. i was thinkign it just might be the filter causing the problem and from that post it looks as if it is .

Another test to confirm would be to use a UV filter on the 50-200 and see if the problem is still there. With the Hoya filters, I only ever get the SHMC pro's after reading a thread on photo.net a few years ago regards filters and impact on IQ.

Cheers

Harj
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Old Mar 17, 2011, 2:20 PM   #4
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Quote:
Originally Posted by Steven R View Post
http://forums.dpreview.com/forums/re...7&changemode=1

MikePDX...."I originally wrote:
'I recently bought a Hoya multicoated circular polarizer for my E-30 to use on my 50-200 SWD and 14-54 II lenses. I was completely unable to get either lens to focus at all, no matter what adjusting I tried with the CPL. In fact it seemed like the camera wasn't even trying to focus at all. It was in broad daylight, and simply removing the filter allowed the camera to focus normally with both lenses.'
Well this is just to follow up in case anyone else had a similar problem. My problem was aparently a bad copy of the Hoya CPL. I just bought a B+W multi-coated CPL which works beautifully. No more issues. It cost a lot more than the Hoya, but I guess a bargain that didn't work wasn't really a bargain, was it?
Thanks to everyone for the help."

..." MikePDX wrote:
...I just bought a B+W multi-coated CPL which works beautifully. No more issues. It cost a lot more than the Hoya, but I guess a bargain that didn't work wasn't really a bargain, was it?
...Note that Hoya makes different ranges of filters. Not only cheap ones, but also quit expensive multicoated Hoya Pro 1D range, which works wery well."
Quote:
Originally Posted by HarjTT View Post
Hi Steve

Thats a good find.. i was thinkign it just might be the filter causing the problem and from that post it looks as if it is .

Another test to confirm would be to use a UV filter on the 50-200 and see if the problem is still there. With the Hoya filters, I only ever get the SHMC pro's after reading a thread on photo.net a few years ago regards filters and impact on IQ.

Cheers

Harj
Well, crap! This one is a Tiffen but obviously not in the realm of usability with the 50-200mm. Oh, well!
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Old Mar 17, 2011, 4:37 PM   #5
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Hey Gary

Have you tried the filter on another lens ? Tiffen filters are usually pretty good so I'm a wee bit surprised that its effecting the 50-200. Might want to clean both the lens and the filter and see if that helps.

B+W always seemed to be the best brand and as always theyre a wee bit more spendy than the other brands. The Hoya Super HMC Pro's have had a pretty good rep as well.

Cheers

Harj
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Old Mar 17, 2011, 5:00 PM   #6
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Quote:
Originally Posted by HarjTT View Post
Hey Gary

Have you tried the filter on another lens ? Tiffen filters are usually pretty good so I'm a wee bit surprised that its effecting the 50-200. Might want to clean both the lens and the filter and see if that helps.

B+W always seemed to be the best brand and as always theyre a wee bit more spendy than the other brands. The Hoya Super HMC Pro's have had a pretty good rep as well.

Cheers

Harj
Works just fine on my 14-54mm, Harj. Thanks!
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Old Mar 18, 2011, 3:56 PM   #7
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Hi Gary,

For what it's worth, I've tried using a CPL on my 50-200mm ED both with an EC20 and alone. My experience was that it was very erratic and, at times, refused to focus.

I've never pursued finding a solution as I think I can replicate whatever affects I want in pp anyway.

Zig
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Old Mar 18, 2011, 10:27 PM   #8
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Originally Posted by zig-123 View Post
Hi Gary,

For what it's worth, I've tried using a CPL on my 50-200mm ED both with an EC20 and alone. My experience was that it was very erratic and, at times, refused to focus.

I've never pursued finding a solution as I think I can replicate whatever affects I want in pp anyway.

Zig
I agree, Zig. I don't know how much heavy reflective stuff I'll be shooting -- mainly water surface -- but, it'd be nice to have it for that.
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Old Mar 19, 2011, 9:48 AM   #9
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Hi Gary

May be worthwhile emailing Olympus support and see what they have to say ? Its pretty odd that both you and Zig, plus other 50-200 owners cant use a CPL filter with the lens.

Cheers

HArj
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Old Mar 19, 2011, 9:59 AM   #10
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Quote:
Originally Posted by HarjTT View Post
Hi Gary

May be worthwhile emailing Olympus support and see what they have to say ? Its pretty odd that both you and Zig, plus other 50-200 owners cant use a CPL filter with the lens.

Cheers

HArj
Good idea, Harj! See? That's why you make all the big dosh!
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