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08-21-2017, 11:55 AM   #1
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Step Down Ring Size.

I have a question regarding step up/down rings. I have never used a CPL and I was given a Hoya NXT 77mm CPL as a gift. In looking at my lenses, I have a Tamron 28-75mm (067mm), and a Tamron 70-300mm (062mm). As the CPL is 77mm, I will need a 77mm-67mm step down ring to fit the 28-75mm, and a 77mm-62mm step down ring to fit the 70-300mm - I think. In looking at different sources I don't see a 77mm - 62mm step down ring anywhere. Does anyone know if there is such a ring? I would appreciate any info you guys & ladies can provide. Thanks.

08-21-2017, 12:13 PM   #2
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QuoteOriginally posted by cardinal43 Quote
I have a question regarding step up/down rings. I have never used a CPL and I was given a Hoya NXT 77mm CPL as a gift. In looking at my lenses, I have a Tamron 28-75mm (067mm), and a Tamron 70-300mm (062mm). As the CPL is 77mm, I will need a 77mm-67mm step down ring to fit the 28-75mm, and a 77mm-62mm step down ring to fit the 70-300mm - I think. In looking at different sources I don't see a 77mm - 62mm step down ring anywhere. Does anyone know if there is such a ring? I would appreciate any info you guys & ladies can provide. Thanks.
Technically I think you want a step-up ring, not a step down ring. If you cant find a specific match you could theoretically cascade two step up rings, but you run the risk that it will vignette if the lens is wide angle.

EDIT:

https://www.bhphotovideo.com/c/product/809638-REG/Sensei_sur6277_62_77mm_Step_Up_Ring.html

https://www.bhphotovideo.com/c/product/809642-REG/Sensei_sur6777_67_77mm_Step_Up_Ring.html
08-21-2017, 12:39 PM   #3
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Original Poster
QuoteOriginally posted by abruzzi Quote
Technically I think you want a step-up ring, not a step down ring. If you cant find a specific match you could theoretically cascade two step up rings, but you run the risk that it will vignette if the lens is wide angle.

EDIT:

Sensei 62-77mm Step-Up Ring SUR-6277 B&H Photo Video

Sensei 67-77mm Step-Up Ring SUR-6777 B&H Photo Video
Thanks for the quick reply. I believe this is just what I was looking for.
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