LCF-103: Lens Foot for Sony FE 400mm f/2.8 GM OSS and FE 600mm f/4.0 GM OSS Lenses


Enhance lens stability with the LCF-103 replacement foot for Sony FE 400mm f/2.8 and FE 600mm f/4.0 lenses. Arca-Swiss compatible and lightweight.

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The LCF-103 lens foot is a direct replacement for the Sony FE 400mm f/2.8 GM OSS and FE 600mm f/4.0 GM OSS lenses.

A replacement foot with built-in-dovetail mounting will be lighter, lower in profile, and provide the best possible stability for your lens. Really Right Stuff foot replacements are precision machined from solid blocks of 6061-T6 aluminum and are fully compatible with any Arca-Swiss quick-release system.

The LCF-103 includes a Quick Detatch (QD) Socket for quickly attaching a compatible strap, and maintains the one 3/8"-16, and two 1/4"-20 threaded mounting holes as the factory foot. The lens foot also comes with two M3 screws for use as optional safety stops.

  1. To remove the Sony foot, use the included 3.5 mm hex key to unscrew the four screws holding on the foot.
  2. To install the LCF-103, simply use the original 4 screws to mount the RRS foot to the lens.


  • CNC machined 6061-T6 Aluminum
  • Anodized; Type II Black
  • Safety-stop screws
  • Integrated QD socket
  • (2) 1/4"-20 threaded accessory mounting socket
  • (1) 3/8"-16 threaded accessory mounting socket
  • Contoured surfaces for handheld comfort
  • Direct replacement for factory lens foot.


Country of Origin: USA

  • Length: 5.8 in. / 146mm
  • Width: 1.5 in. / 38mm
  • Height: 1.7 in. / 42mm
  • Weight: 4.3oz /122g

In The Box 

  • (1) LCF-103
  • (2) M3 Safety-Stop Screws
  • (1) 5/32" Hex Key
  • (1) M3 Hex Key
  • (1) User's Guide


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