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03-01-2009, 06:01 PM   #1
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Step up rings and lens hood

I am thinking about getting a cpl, size 77mm, for my Tamron 28-75mm. The lens has a 67mm filter thread, so I need a step up ring (67mm to 77mm). If I decide to use the step up ring and the 77mm filter, does that impair the attachment and use of the lens hood? I do not want to buy separate multi-coated cpls for each lens unless necessary. Any help would be appreciated.

03-01-2009, 07:35 PM   #2
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Unless you have another lens that takes a 77mm filter, why would you want buy such a big filter? If 67mm is the largest filter size out of all the lenses you have, then why not just get a 67mm CPL and buy step up rings for any smaller lenses you may have (??-->67mm)?

03-01-2009, 07:50 PM   #3
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Yeah, very likely it would preclude using the stock hood. If you don't also have a 77 thread lens, or plan to have one, it's good to avoid that. One thing you *can* do, though, is have a dedicated hood to fit the polarizer, (and the widest lens it'll be used on) if you'll be swapping it around.
03-02-2009, 04:42 AM   #4
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My eventual lens road map will include at least one lens (DA 12-24mm F4) that has a 77mm filter thread. If I decide to use step up rings, I would use the larger size filter on similar-sized lenses (i.e., not use the 77mm filter on a 49mm filter-accepting lens).

My guess was the step up filter would block the addition of the lens hood.


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