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Archive 2008 · Canon EF 14mm f/2.8L II USM Go to previous topic Go to next topic
mohamed alfari
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p.1 #1 · Canon EF 14mm f/2.8L II USM


how do people with this lens manage using a polarizer without a filter screw?. also i am planning to use it later with Full frame will vignette be a problem?. i am not very pleased with my 17-40L on 30D especially shooting horizontally, vertically much improved to pleasing level but i need to shoot horizontally. some people became satisfied with 17-40L when they used it with full frame which i am planning to move to when 5D ll come out. i have noticed the 17-40L is sharp in the center but really bad toward the corners, really bad especially horizontally, even at f8-f13.
thanks

Aug 25, 2008 at 06:09 PM
Seth Tower
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p.1 #2 · Canon EF 14mm f/2.8L II USM


You don't. There is a drop in filter holder in the rear of the lens that can hold a few gel filters. I'm not sure a polarizer would work there though. Obviously you couldn't rotate it...

Aug 25, 2008 at 06:17 PM
Sean Mills
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p.1 #3 · Canon EF 14mm f/2.8L II USM


Seth is correct. Contrary to popular belief though, you can take a large rubber band and mount a ND grad (Cokin X pro or Lee's largest) on the front by fixing the filter to the camera body with the rubber band. Looks homebrewed because it is, but it works just fine.

The 14mm II is great everywhere, corners included, but is priced pretty high for what it is.

Aug 25, 2008 at 06:32 PM
DoubleNegative
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p.1 #4 · Canon EF 14mm f/2.8L II USM


If you're looking to just darken the sky, you probably won't need a CPL with the 14L. Wide angle and ultra-wide angle lenses tend to darken skies as it is; nature of the beast.

Aug 25, 2008 at 08:57 PM
Jeffrey
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p.1 #5 · Canon EF 14mm f/2.8L II USM


You wouldn't be happy with the results if you could use a polarizer. The effect would graduate sharply across the image because of the changing angle to the light source (usually the sun). I have trouble with this often with the 16-35. With the 14 it must be way worse. I do have that lens, but never polarized it.

Aug 25, 2008 at 09:42 PM
mohamed alfari
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p.1 #6 · Canon EF 14mm f/2.8L II USM


i see, but are you have with the results jeffrey?

Aug 26, 2008 at 02:20 PM
DoubleNegative
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p.1 #7 · Canon EF 14mm f/2.8L II USM


Jeffrey wrote:
You wouldn't be happy with the results if you could use a polarizer. The effect would graduate sharply across the image because of the changing angle to the light source (usually the sun). I have trouble with this often with the 16-35. With the 14 it must be way worse. I do have that lens, but never polarized it.


Exactly... That's the other thing; CPLs aren't very usable on UWA lenses because of this. More often than not it produces very uneven polarization effects across the sky.

Aug 26, 2008 at 02:35 PM
mohamed alfari
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p.1 #8 · Canon EF 14mm f/2.8L II USM


this will be a problem when i want to get rid of water reflection. it would be nice if i can hear from users their take on this issue.
thanks

Aug 26, 2008 at 02:46 PM

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