Sony a7R III Modular Plates

SKU: Alpha a7R III Plates
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$49.00 to $205.00

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The Sony a7 III / a7R III uses the same Really Right Stuff plate as the Sony a9. All plates feature the engraving for the a9 but fit both camera body styles.

RRS camera body plates are all custom designed for each camera body and precision machined from solid blocks of 6061-T6 aluminum. Fully compatible with any standard 1.5"-dovetail style quick-release system, our plates feature precisely contoured anti-twist flanges for a perfect fit that prevents twisting between the camera and our plate. All of our quick-release plates utilize a custom machined 1/4"-20 threaded, captive-style mounting screw that threads into the tripod mounting socket of your camera body. 

As part of a modular system, this conventional base plate still functions as a traditional camera mounting plate, but also has the added flexibility of accepting a separate dedicated vertical L-Component to create a fully modular L-Plate with two dovetail mounting surfaces. You can purchase the dedicated vertical L-Component as a separate add-on, or as a set package with the base plate.

To install the base plate, remove the battery door from the camera body and install the battery door onto the RRS base plate.
How to Use Plates with the Sony Cable Anchor

*** Please note that when choosing the "Yes, I Plan On Using The Battery Grip" option above, a BPNS plate will be used and not a modular plate. ***

  1. CNC machined 6061-T6 aluminum
  2. Anodized; Type II Black
  3. 1/4"-20 threaded accessory mounting socket
  4. Laser engraved center mark
  5. RRS dovetail standard
  1. (1) Sony a7R III base plate
  2. (1) Sony a7R III L-Component
  3. (1) Integrated rubber gasket for battery door
  4. (1) Custom 1/4"-20 x 0.4" screw
  5. (1) Custom 1/4"-20 x 3/8" screw
  6. (1) 5/32" hex key

Battery Grip L-Plate
  1. (1) Sony a7R III battery grip L-Plate
  2. (1) B107 custom 1/4"-20 captive button screw
  3. (1) 5/32 hex key
  4. (1) User's guide

Base Plate
  1. (1) Sony a7R III base plate
  2. (1) Integrated rubber gasket for battery door
  3. (1) Custom 1/4"-20 x 0.4" captive button head screw
  4. (1) 5/32" hex key

Battery Grip Base Plate
  1. (1) BP-CS battery grip base plate
  2. (1) Safety stop screw
  3. (1) Custom 1/4"-20 captive button screw
  4. (1) 5/32" hex key
  5. (1) M2.5 hex key

  1. (1) Sony a7R III L-Component
  2. (1) 1/4"-20 x 3/8" screw
  3. (1) 5/32" hex key

  1. Length: 5.57"/ 142mm
  2. Height: 3.30"/ 84mm
  3. Width: 2.41"/ 61mm
  4. Weight: 5.01oz/ 142g

Battery Grip L-Plate
  1. Length: 5"/ 127mm
  2. Height: 5.3"/ 135mm
  3. Width: 2.4"/ 61mm
  4. Weight: 5.5oz/ 155g

Base Plate
  1. Length: 5.02"/ 128mm
  2. Height: 0.65"/ 17mm
  3. Width: 2.41"/ 61mm
  4. Weight: 3.32oz/ 94g

Battery Grip Base Plate
  1. Length: 2.8"/ 70mm
  2. Width: 1.6"/ 40mm
  3. Height: 0.4"/ 11mm
  4. Weight: 1.6oz/ 46g

  1. Length: 2.3"/ 58.5mm
  2. Height: 3.3"/ 83.9mm
  3. Width: 1.74"/ 44.2mm
  4. Weight: 1.6oz/ 46g

The Sony a7R III custom camera plates are protected by US patents. Really Right Stuff, LLC has been granted patents by the United States Patent and Trademark Office for the following inventions: Modular L-Plates.

Any party that manufactures, imports, uses, sells, or offers for sale the above patented technology without permission/license from Really Right Stuff, LLC, during the term of the patent and within the country that issued the patent, is considered to infringe the patent.

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