The Heliopan 30-49mm Step-Up Ring #629is a step-up ring permitting the use of 49mm threaded filters on a 30mm threaded lens. Constructed of matte black brass, Heliopan step-up rings are highly durable and longer-lasting when compared to aluminum rings.

Use 49mm Filters on 30mm Lens    Brass Ring for Durability    Matte Black Finish Reduces Glare

Efficient solution for use of one size of filters with various sized lenses.

Matte black brass lessens chance of glare.

Rugged construction for ease of use.

Related Questions and Answers

Q: 1. Is the black color with matte finish inside?

A: Yes, the black color and finish covers the entire step up ring.

Q: 2. I'm a novice to this but what is the difference between knurling and no knurling?

A: No knurling is smooth around the edges, and knurling gives you little ridges for better grip.

Q: 3. Will this adapter fit the Canon SX50? I want a metal adapter, the plastic one I used for a VERY SHORT TIME split. If not this one, can you recommend one? Thank you.

A: No, that is a step up ring. The built in lens on the SX50 does not have filter threads and can only use the filter adapter made for it. The link for that is, http://bhpho.to/1brgUcX.

Q: 4. Can this be used with filters that aren't B+W brand? Such as Firecrest?

A: I've used these step up rings with various filter brands ... Hoya, Nikon, etc...

Q: 5. Can I stack two filters?

A: Yes, you can stack 2 filters with the same size thread but beware of vignetting (darkening of the edges) with wider angle lenses.

Q: 6. If I used this step up ring, would it cause vignetting?

A: Unless you are using an extremely wide angle lens, you shouldnt experience vignetting with the 52-77mm Step-Up Ring.

Q: 7. The description says it's aluminum, but the reviews say it's brass - which is it?

A: Aluminum, without a doubt. I have brass step up rings as well, they are substantially heavier than this ring.Let that not reflect poorly on the craftsmanship however; it is still a superbly machined piece of metal with precise fit and finish.

Q: 8. For 27mm to 37mm what is the inner diameter (on 27mm side)?

A: I don't know the answer.

Q: 9. 49 mm is a common thread size for Sony and mft lenses, so I think the small 37mm is also a mft and small bayonet lenses, so, I think it's good to step for this kind of lenses

A: Is this a question or a statement?

Q: 10. does 82 to 55 include in the box?

A: 82mm filter for 55mm lens is one of the rings included in this kit.