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Old Oct 27, 2004, 3:41 AM   #1
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Hi everyone,

Can someone help me with the following. I am purchasing a Canon EF 70-200mm f/4.0 L USMlens and was wondering about protection of the lens.

1) Is it a good idea to buy a UVfilter and hood for protection?

2) If yes anyone got anyrecommendations on brands and models?

Thanks in advance for any help.

Tim


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Old Oct 27, 2004, 6:53 AM   #2
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While both can minimize mishap, they serve 2 different purposes:
A UV filter can remove some haze while a hood is used to prevent glare from strong side light hitting the lens surfaces...

A filter can be of any brand while the hood must come from Canon because of the bayonette mount: http://www.adorama.com/CAET74.html?s...T-74&item_no=1

... the hood should have been included with the lens :?:
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Old Oct 28, 2004, 1:06 AM   #3
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thanks NHL.

Any particular filter brand, mulit-coated,single coated etc.,that I should look for to make sure I get the most from my lens?




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Old Oct 28, 2004, 8:51 AM   #4
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Heliopan, B & W, Hoya... in that order
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Old Oct 28, 2004, 9:33 AM   #5
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Interesting, I've never heard of Heliopan. I would have put B&W first.

Some times you can find the B&W filters (not their top of the line, but their upper-middle ones) rebranded to other names. I was told that the Calumet filters are B&W, for example.

So if you aren't buying their best, you can some times get them cheaper that way.

I would recommend multi-coated.

Eric
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Old Oct 28, 2004, 11:51 AM   #6
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I use a collaspable hood and Hoya UV filter I bought from http://www.2filters.com I like the collaspable hood because it can stay on the lens and fit in my camera bag.
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Old Oct 29, 2004, 4:02 AM   #7
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thanks everyone for the advice
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Old Oct 29, 2004, 9:26 AM   #8
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If your camera is digital a flat glass filter will increase your chances of internal lens reflections normally called ghosts. This is caused by light relecting off of the sensor glass cover back to the flat filter surface and being reflected back through the lens to the sensor. With a film camera the film doesnot reflect significant light back through the lens. I try to avoid using a filter when a bright highlight or light source is in the field of view.
Heliopan multi-coated(SH-PMC) filters are available that help with this relflection problem but expensive. The bottom line is, lenses perform best without using additional glass in front of them. I have never damaged a lens surface in some 50+ years of photography. A lens hood and a lens cap should be adequate protection.
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