The Sensei PRO 82-77mm Aluminum Step-Down Ringfrom Sensei PRO 82-77mm Aluminum Step-Down Ringpermits the use of 77mm threaded filters on lenses with 82mm filter threads. It has large side knurls to provide a more textured grip when mounting or removing it from a lens. This step-down ring features a lightweight aluminum alloy construction with a corrosion-resistant, matte black, hard-anodized finish for durability and minimizing reflections.

Use 77mm Filters on 82mm Lens    Knurled Sides for Firmer Grip    Matte Black Finish Minimizes Reflections    Corrosion-Resistant Hard-Anodized Finish

Related Questions and Answers

Q: 1. will this work putting a 72mm fisheye onto a 58mm filter size for the canon gl2?

A: This is not the right ring for that job; this is the one you need: https://www.bhphotovideo.com/c/product/809629-REG/Sensei_sur5872_58_72mm_Step_Up_Ring.html

Q: 2. Can i still use my 77 lens hood hood ?

A: No you can not

Q: 3. How can I use an 82mm filter on a 77mm lens?

A: A step down ring can be used but will cause vignette issues. We do not suggest doing so.

Q: 4. Will the 72mm to 77mm Sensei Pro Brass step up ring prevent me from mounting the hood on the rx10iii?

A: Yes it will

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. Does the difference in thread sizes cause noticeable vignetting on wider focal lengths?

A: Very possibly, yes, it depends on the focal length of the lens, how wide it is. It always best to get a larger filter if possible. Putting a smaller filter, especially on a wide angle lens, is a recipe towards vignetting.

Q: 7. 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: 8. What size of a lens cap would fit this step up ring?

A: Use a 77mm-It will keep threads covered. For any step up or down rings, use the end opening size to protect all the interior parts and easy removal. You can also use the same cap on the filter screwed into the rings

Q: 9. Are the threads female on both sides?

A: No. The 58mm side is male and screws into the lens. The 49mm side is female and receives the filter's male threads.

Q: 10. I am thinking about purchasing an 82 mm neutral density filter. Is a step-down ring what I need to allow me to use this filter on my 77 mm lenses? Looking at the 82-77 step-down ring (#408) by Heliopan. Thanks!

A: What you would need is a step up ring instead, since you are trying to fit an 82mm filter on a lens with a 77mm diameter. Please see the following link: http://bhpho.to/1n8QhUq