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mapollo
19th of March 2005 (Sat), 06:25
I'm just about to order a 70 200 F4 L and I'm thinking I need a 67mm filter as well. Would a Hoya 1B skylight be a sensible choice for protection.

TIA David....

SkipD
19th of March 2005 (Sat), 07:44
My opinion - Make sure you are getting the proper lens hood, and forget a filter for "protection". The lens hood, properly installed, will be all the protection you will need for the front element. I would suggest spending your money (that which would have been spent on a filter) more wisely on other accessories.

mapollo
19th of March 2005 (Sat), 11:10
My opinion - Make sure you are getting the proper lens hood, and forget a filter for "protection".

AFAIK it ships with the ET-74 hood. Does any one reading this know if it does the job.....

lomond
19th of March 2005 (Sat), 13:12
David, I would suggest this, if you decide on a filter for protection don't skimp, buy a good quality multi-coated filter. Cheap filters will degrade the image.

A lens hood will give your front element a degree of protection, however I err on the side of caution and use a Hoya Filter Super HMC PRO-1 UV.
Canon fit a protective meniscus lens to the front of the 500 and 600 telephotos for protection since a filter of that size would be extremely expensive.
So if Canon think it important to protect the front element then that's good enough for me.

Dons asbestos suit. :) :) :)

Kostyanych
20th of March 2005 (Sun), 07:47
When I am talking "lens protection" I usually mean protection from the salted splashes and from the flying sand on the beach...
I am not talking about droping lens... :)

So the question is "which one does not harm the picture"....

67mm Haze UV(0) (HMC) Multi-Coated Glass Filter (http://www.bhphotovideo.com/bnh/controller/home?O=productlist&A=details&Q=&sku=23733&is=REG) $30
67mm UV Haze (HMC) Multi-Coated Glass Filter - Ultra Thin (http://www.bhphotovideo.com/bnh/controller/home?O=productlist&A=details&Q=&sku=153375&is=REG) $40
67mm Haze UV(0) (S-HMC) Super Multi-Coated Glass Filter (http://www.bhphotovideo.com/bnh/controller/home?O=productlist&A=details&Q=&sku=94132&is=REG) $39
67mm Haze UV(0) Pro 1 (S-HMC) Super Multi-Coated Glass Filter (http://www.bhphotovideo.com/bnh/controller/home?O=productlist&A=details&Q=&sku=168214&is=REG) $69

Which one? :)

lomond
20th of March 2005 (Sun), 12:03
So the question is "which one does not harm the picture"....



So the answer is "all of them, they all harm (degrade) the picture."


Any glass you stick on the end of your lens must impact on the image quality, some less than others.
I use the Hoya S-HMC Pro. It's thin profile avoids any vignetting, resistance to flare is very good and it's threaded to the front.

Kostyanych
21st of March 2005 (Mon), 06:42
Any glass you stick on the end of your lens must impact on the image quality, some less than others.

I suspect this.... :)

Do you use your filter all the time? Or just somethimes depends on enviroment condition...?

JusSmith
21st of March 2005 (Mon), 07:03
Pro 1 UV and just leave it on.