Follow Focus Gear Ring and Iris Seamless Metal Lens Gear Ring | CINE-PRO Set for Contax Zeiss Planar T* 50mm f/1.4 MMJ SLR Lens


Follow Focus Lens Gear Ring:

  • Gear pitch: 0.8 MOD
  • Tooth count:  108t
  • Material: Anodized Aluminum Alloy
  • Outer Diameter (OD): 88mm (3.46 inches)
  • Thickness: 6-10 mm  (0.24-0.39 inches)
  • Precise fit size (no shimming required)
Focus + Iris Set
Focus Gear Only
Iris Gear Only
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Follow Focus Lens Gear Rings and Iris Zeiss Lens Gear | Contax Carl Zeiss 50mm f/1.4 Planar T* MMJ lens

Seamless 360 degrees precision CNC machined metal gears set.
The lens gears are made for 0.8 MOD Follow Focus Drive Gear for use with professional cinematography follow-focus systems. Seamless Metal Lens Gear Rings for top quality and smooth follow focus performance.
Easy to install without compression rings or heat gun use.
6 set screw mount points provide no-slipping stretch and skipping rigid metal build provides precise rack focusing.

  • Gear pitch: 0.8 MOD
  • Material: Aircraft-grade Anodized Aluminum Alloy
  • Outer Diameter (OD): 88mm (3.46 inches)
  • Precise fit size Seamless Ring (no shims required)

Focus Metal Lens Gear Ring size: 

  • Width: 10mm (0.39 inches)
  • Thickness: 8.5 mm (0.33 inches)

Iris Metal Lens Gear Ring size: 

  • Width: 6 mm (0.24 inches)
  • Thickness: 10 mm  (0.39 inches)

Each lens gear ring has 6 threaded holes
Comes with 6xM3 set-screws and a 1.5 Allen key
All follow focus gear is made to order. The production turnaround time is 5-10 days.
We keep some stock quantities in our USA mail agent location and EU-based workshop.
Shipping  (USA):
-(in-stock items) In-stock items 7-10 days USPS  Postal Services.
-(pre-ordered or custom) UPS delivery from Europe (up to 2 weeks)
Shipping (Europe):
(pre-ordered or custom orders) UPS delivery (1-2 weeks)

Safe way to install.

  • before installing the lens gear set the lens focus to infinity.
  • (optional) for permanent installation apply a drop of Medium-Strength Threadlocker, Blue (Loctite 242)
  • drive set-screws into the gear until you will see the tip on the inner side of the metal lens gear.
  • install the rubber stoppers into the hole from the inner side of the lens gear.
  • gently slide the gear on the lens for the desired position
  • evenly screw-in by half-turn every set screws (do not overtighten)

Additional information

Weight 120 g
Dimensions 10 × 10 × 2 cm
Focus Gear Set

Focus + Iris Set, Focus Gear Only, Iris Gear Only


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