The Sensei 46-39mm Step-Down Ring is a step-down ring permitting the use of 39mm threaded filters on a 46mm threaded lens. This black anodized aluminum ring provides a durable solution for using one size of filters with various-sized lenses.

Use 39mm Filters on 46mm Lens    Aluminum Construction    Black Anodized Finish

Related Questions and Answers

Q: 1. Is it posible to set Temron 24-70 di vc lense and Tiffen 77 nd filter?

A: Yes

Q: 2. Would these be compatible with a Haida-brand ND filter? Thanks!

A: The Sensei 82mm Step-Up Ring Kit has the same pitch thread size as Haida filters; therefore, you can connect Haida ND filters to any of the Sensei step-up rings.

Q: 3. Can this be used in a 114 Matte Box? Hypothetically want to take a Sigma Art Lens and used a Bright Tangerine Mistfit Atom.

A: The Sensei 72-95mm Aluminum Step-Up Ring allows you to connect a lens with a 72mm front thread to a 95mm thread adapter ring. Unfortunately, you cannot replace the adapter ring for the matte boxes with a step-up ring because they are designed as a proprietary system.

Q: 4. What lens cap do i need to fit this ring?

A: This is a step up ring to fit a larger filter into smaller diameter lens. So to answer your question the lens cup will need to be 77mm.

Q: 5. Is the description backwards? This looks like it allows one to use a 72mm filter on a 67mm lens. Why would you use a filter that is smaller than the lens?

A: The description is correct; a step-down ring allows you to use smaller filters on larger-diameter lenses. There are a few reasons as to why, for example, to save on the cost of buying filters again if you already own a lot of them in the smaller size. Also, if the lenses have a very narrow field-of-view, the visible vignette might not be significant and not influence the photo that much.

Q: 6. What is the thread pitch of the 48mm side? Will a M48x0.75 astronomical filter fit?

A: Yes.

Q: 7. Would this 67mm step up be likely to cause vignetting on the canon 10-18 using an 82mm ICE ND filter? Thank you

A: Not in my case it doesn't presented any vignetting when I use it.

Q: 8. Could this be used on a Sirui 60mm portrait lens for smartphone?

A: No, that step-up ring will not fit. The Sirui 60mm Portrait Lens does not have threads to screw into.

Q: 9. Any vignetting? I would be using 37mm macro filters on 46mm lenses. Thanks!

A: Regarding the Sensei PRO 46-37mm Aluminum Step-Down Ring, yes, using 37mm on a lens with a 46mm diameter may cause vignetting.

Q: 10. What is the outer dimension of this step up ring?

A: The outer diameter on the Sensei 82-95mm Aluminum Step-Up Ring is 98mm.