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ARRI FF-4 Studio Follow Focus - Basic Unit, Black

Abel Code: AR-K2.65221.0
Mfr. Code: K2.65221.0
Estimated to Ship – 5-10 Business Days
Special Order Only
This is a special order item. You will be charged upon placing your order, which is non-cancelable and non-returnable.
This single-side (upgradeable to double-side) follow focus is a basic version of ARRI's industry-standard FF-4 system, featuring a Left Focus Knob, marking disc, and integrated 15mm LWS mounting option.
Key Highlights
  • 15mm LWS mounting option
  • Left Focus Knob included
  • Flat marking disc


The ARRI FF-4 Studio Follow Focus - Basic Unit, Black is ideal for use with film or video 15mm Lightweight Support (LWS) systems conforming to ARRI standard. This kit includes Left Focus Knob, only.

NOTE: An ARRI BA-2 or BA-3 adapter is required for use with studio rod support types. 


  • Integrated 15mm LWS rod mounting option
  • Gear ratio is appropriate for a wide range of lens barrel sizes (gears sold separately)
  • Compatible with focus knobs from FF-5 HD and all Arri driver gears
  • Compatible with studio bridge plate and ARRI HD baseplate (with additional adapter, sold separately)
  • Compatible with ARRI BA-2 or BA-3 19mm or 15mm rod adapter (sold separately)


What's in the Box

  • K2.32701.0 - Marking Disc, Flat
  • K2.65253.0 - Standard Focus Knob (Left Side)
  • K2.65221.0 - Follow Focus FF-4, Basic Unit (black edition)


Key Highlights

  • 15mm LWS mounting option
  • Left Focus Knob included
  • Flat marking disc
  • Tie-down screw included

Lens Accessories

Follow Focus Notes:
Compatible With 15mm or 19mm Rod Adapter
Compatible With Arri Lightweight Support (With Additional Adapter)
Compatible With Focus Knobs From FF-5 HD and All Arri Driver Gears
Compatible With Studio Bridge Plate and ARRI HD Baseplate (With Additional Adapter)
Pitch Drive Gear:
Not Included
Rod Clamp Size:
15mm LWS
Marking Disk:
Large Flat - Qty 1

Mechanical & Electronic Controls

Focus Knob:


Camera Body Less Than 5lbs:


15 in
11 in
15 in
5 lb
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