77mm CPL on 72mm lens w/ ring, Alternate Lens hood?

Started Jun 9, 2011 | Discussions thread
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xerovelocity
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77mm CPL on 72mm lens w/ ring, Alternate Lens hood?
Jun 9, 2011

Hi All,

I have the trusty 15-85mm walk around lens mounted on my 7D almost all the time except when I have rental lenses.

Back in February, with the plan of buying more lenses and using the same filter on them, most of which in my list are 77mm, I ended up buying the B + W Kasemann CPL for about $200 with a step down ring (77 to 72mm).

Quite as I expected I cannot mount the lens hood anymore. I went on with this choice BUT not expecting the equipment to suddenly become expensive (March 11 earthquake) which has now made acquiring more lenses (77mm dia) a brainer.

I am looking for a lens hood which would fit (reasonably, if not snugly) so I can avoid the sun when shooting outdoors. I believe a wrongly matched lens hood can also cause vignetting?

Perhaps some rubber lens hood might work and help me solve the issue?

Any pointers or suggestions will be greatly appreciated.

Thanks again!

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