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06-18-2013, 12:23 PM   #1
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Size for 2d hood using step up ring?

Hi all,
I have a sigma 17-70 with the original hood. It has a 72mm filter ring.

My ND filters and CPL are 77mm. I can't use the hood with the filters.

Would a 77mm rubber hood work? I prefer plastic or metal.. [if I can do that ..which?]

Thx

06-18-2013, 12:25 PM   #2
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yea it should... as long the step-up ring is from 72mm to 77mm and the hood is built for 77mm thread .
It doesn't matter if is rubber/plastic/metal

Just keep in mind the angle at witch the hood opens - the wrong hood will give vignette at and towards the 17mm.
A hood with a similar opening angle with the original one should be safe enough.

Hoods galore: http://www.ebay.ca/sch/i.html?_trksid=p5197.m570.l1313.TR0.TRC0&_nkw=wide+an...at=0&_from=R40
06-18-2013, 12:27 PM   #3
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QuoteOriginally posted by mrNewt Quote
yea it should... as long the step-up ring is from 72mm to 77mm and the hood is built for 77mm thread .
Yes the step up ring is 72-77. Thanks, I will order one from the Far East
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