The Sensei PRO 55-77mm Aluminum Step-Up Ring permits the use of 77mm threaded filters on lenses with 55mm filter threads. It has large side knurls to provide a more textured grip when mounting or removing it from a lens. This step-up ring features a lightweight aluminum alloy construction with a corrosion-resistant, matte black, hard-anodized finish for durability and to minimize reflections.

Use 77mm Filters on 55mm Lens    Knurled Sides for Firmer Grip    Matte Black Finish Minimizes Reflections    Corrosion-Resistant Hard Anodized Finish

Related Questions and Answers

Q: 1. 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: 2. Is it more practical to buy a brass step up ring, or will an aluminum ring do the same thing at a lesser charge?

A: Both rings work well. The aluminum rings are softer and the brass rings are harder. More or less they do the same thing.

Q: 3. What is the height protrusion of the ring above the lens?

A: Sensei PRO 72-67mm Aluminum Step-Down Ring is 3.5mm tall above the threads.

Q: 4. Can anyone tell me the outer diameter of the 77mm step up ring(s) ? I'm interested to know if I can use a 80mm push on cap over it.

A: The OD is probably 79 or 80mm. You will have to try it with your cap, This is never an exact science due to the fact that dimensions are never precise from cap to cap and ring to ring.

Q: 5. 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: 6. Any issues using this Step-Up ring with a PolarPro 82mm Peter McKinnon Signature Edition II Variable ND 1.8 to 2.7 Filter?

A: The Sensei PRO 72-82mm Brass Step-Up Ring will work with the PolarPro 82mm Peter McKinnon Signature Edition II Variable ND 1.8 to 2.7 Filter.

Q: 7. Does this fit Lee 100mm filter holder?

A: I used it with the Sensel Pro 100mm holder, I on't know if it will fit the Lee

Q: 8. What is the difference between this one and SESDR7767 which is the same brand but doesn’t have “pro” in the name?

A: The Pro has knurled edges for a better grip and corrosion resistant aluminum alloy.

Q: 9. Am planning to do these 1. step up from 37-52mm and then 2. step up from 52-67mm 3. Mount a 67mm CPL filter Will I be introducing vignetting in this setup? Appreciate all comments. Thanks in advance.

A: Depends on the lens you're using. But its likely you wouldn't get any vignetting from the filter due to the filter being so much bigger than the lens diameter. A random suggestion I think would help to simplify the process, consider looking into this step up ring. It's from 37-67mm all in one. So you wouldn't need to stack step-ups. https://www.bhphotovideo.com/c/product/1355342-REG/benro_dr6737_67_37mm_step_down_ring.html?sts=pi&pim=Y

Q: 10. Does it come in something to store it in?

A: Yes, the Sensei PRO 58-67mm aluminum step-up ring comes in a clear protective case.