The Vocas 114mm to M82 Step-Down Adapter Ringfrom Vocas 114mm to M82 Step-Down Adapter Ringenables you to adapt the Vocas MB-2XX or another clip-on matte box with a 114mm opening to fit an M82 front-threaded lens.

Constructed from durable aluminum, this ring sports a black finish.

For Vocas MB-2XX Matte Box    For Clip-On Matte Box with 114mm Opening    For Lenses with M82 Front Thread    Aluminum Construction    Black Finish

Related Questions and Answers

Q: 1. What is the total outer diameter of this ring? Would the outer diameter of this step up ring fit snugly into the 105mm opening of my clamp-on matte box?

A: Unfortunately, there are no published measurements we could find at current time for the exact outer diameter, but the "step down" ring that is designed to take your mounting option down to a lower number, should easily mount on an opening that matches that higher number, in this case, your 105mm opening on the matte box.

Q: 2. Can this be used to screw in 58mm accessories to a series & lens like Leica R 90/2.8?

A: The Leica Telephoto 90mm f/2.8 Elmarit R 3-Cam Manual Focus Lens has a 55mm filter thread. Use this adapter to mount Series 7 filters to it. General Brand 55mm-Series 7 Step-Up Adapter Ring (Lens to Filter) B&H # GBAR55S7. Use this retaining ring to hold the Series 7 filter in the adapter. General Brand Series 7 Retaining Ring B&H # GBRRS7.

Q: 3. what is the thread pitch?

A: Heliopan does not list the pitch on the Heliopan 42-39mm Step-Down Ring (#316). But standard for that size is 0.75mm thread pitch.

Q: 4. Is the outside diameter of the larger part 95mm? Or does that refer to the inside diameter?

A: The filter has an inside thread diameter of 82mm and an outside thread diameter of 95mm.

Q: 5. Will this work also to mount the Atlas Tilta lightweight clamp for 114mm and adapt it to 95mm?

A: Yes, if your lens has a 95mm diameter the Vaxis VFX Filter Adapter Ring (95-114mm) would bring it up to 114mm so it could work with the Atlas Lens Co. Atlas X Tilta Lightweight Diopter Clamp model BH #ATAXTLDC.

Q: 6. I have a 72 mm filter and am purchasing a lens with 58 mm filter size. Need a filter ring?

A: You would need a 58mm to 72mm step up ring:https://a href= http://www.bhphotovideo.com/c/product/809629-REG/Sensei_sur5872_58_72mm_Step_Up_Ring.html target= _blank www.bhphotovideo.com/c/product/809629-REG/Sensei_sur5872_58_72mm_Step_Up_Ring.html/a

Q: 7. Will this fit on the older style Chrosziel matte boxes? I have the CLWAH-4,5

A: Not that we are aware of. This product is only listed as compatible with the MB-450 Series Matte Box.

Q: 8. Is there a set of Diopters that fits into this clamp on system?

A: This is an adapter ring that uses 4.53 /115mm filters such as the Schneider 68-040615 0.6 Neutral Density Filter.

Q: 9. Is this compatible with the Zeiss CP3 Lenses?

A: The Zeiss CP.3 Cine Lens set have a front diameter of 95mm. it Bright Tangerine does have a 114mm-95mm adapter ring you can use for compatibility: https://bhpho.to/2jZb4l7

Q: 10. The two answers to the third question say the opposite. Can I use this step-down adaptor to put an 82 VND filter on a 95 lens?

A: Yes, the Cavision 95mm to 82mm Step-Down Adapter Ring for Wide Angle Attachments will allow you to mount an 82mm filter on a lens with a 95mm filter thread.