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Thin metal step-up ring 77mm to 72mm 80mm OD

Cavision

Cavision Thin Step-Up Ring 77mm to 72mm 80mm OD

SKU CH-0C3Z-KDMWS

Connects 72mm lenses to 77mm filter threads with a thin 80mm outer profile for rod support clearance

  • Thin 8 mm depth clears rod-support rigs
  • 77 mm front thread adapts to 72 mm rear thread
  • 80 mm outer diameter fits standard matte boxes
  • Lightweight aluminium construction reduces front-end load

Thin step-up ring for 72 mm to 77 mm lenses

This Cavision step-up ring adapts a 72 mm rear thread to a 77 mm front thread with an 80 mm outer diameter. It is designed for camcorder setups that use a rods support system. The slim 8 mm depth keeps the profile low so it does not interfere with matte boxes or follow-focus units. Buyers who need a step-down ring or a different thread combination will need a separate adapter.

Thermals noise and power draw in normal use

The ring is a passive metal component with no electronics, so it generates no heat, produces no noise and draws no power. It adds negligible mass to the lens stack and does not affect the thermal behaviour of the camera or lens. There are no moving parts, fans or circuits to consider in a power budget.

Highlights

  • Thin 8 mm depth clears rod-support rigs
  • 77 mm front thread adapts to 72 mm rear thread
  • 80 mm outer diameter fits standard matte boxes
  • Lightweight aluminium construction reduces front-end load

Specifications

No published specifications for this item yet.

Questions about this item

How do I install the Cavision Thin Step-Up Ring 77mm to 72mm onto my lens threads?

Screw the rear 72mm thread onto the lens front thread, then attach the 77mm filter or accessory to the front thread; the 8mm depth keeps the assembly slim for rods support systems.

What maintenance will the step-up ring need over time?

Clean the 72mm and 77mm threads with a soft brush to remove dust; the metal construction requires no lubrication and has no moving parts to replace.

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