step up/down ring question?

[redmonkee]

I always get mixed up with these so wondered if you guys could help me.

I have a 77mm B+W 10 stop filter

and I want to use it on my 35mm 1.4 which has a lens thread of 72mm

which step up/down ring do I need?

Cheers

 

[2Thumbs]

A 72-77mm step up ring.

 

[redmonkee]

Cheers Chris, much appreciated

 

[2Thumbs]

No worries.