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SmallRig Baseplate for Sony a7R V & a7 IV (Version 2)

BH #SM3666B • MFR #3666B
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SmallRig Baseplate for Sony a7R V & a7 IV (Version 2)
Key Features
  • Integrated Arca-Type Dovetail
  • 1/4"-20 Accessory Mounts
  • Cold Shoe Accessory Mount
  • QD Quick Release Socket, Hand Strap Loop
This updated Bottom Mount Plate for Sony a7R IV & a7 IV from SmallRig features an improved design that offers a more precise fit to enhance the grip experience. The plate attaches to the bottom of the camera body with a 1/4"-20 screw and a locating pin. It features a rubberized traction pad and raised lip to prevent camera movement.
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$39.00
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Will this fit a Sony a7R IIIA ?

Will this fit a Sony a7R IIIA ?
Asked by: Eric
The SmallRig Baseplate for Sony a7R V & a7 IV will not work with a Sony A7RiiiA.
Answered by: David B
Date published: 2026-05-24

Does this fit the new a7v?

Does this fit the new a7v?
Asked by: Bruce
Yes, the SmallRig Baseplate for Sony a7R V & a7 IV (Version 2) is compatible with the Sony a7 V Mirrorless Camera (B&H # SOA75).
Answered by: Marvin C
Date published: 2026-01-08

Will this also fit the Alpha 1?

Will this also fit the Alpha 1?
Asked by: Patrick
The SmallRig Bottom Mount Plate for Sony a7R V & a7 IV (Version 2) does fit onto the Sony a1 Mirrorless Camera.
Answered by: Ejona G
Date published: 2024-03-11
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