- Laser engraved center marks
- Integrated QD (Quick Detach) sockets for quick-detach strap systems
- Full access to camera accessory ports
- Access to battery without removing plate
- Hand strap lug and RRS standard dovetail
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BA1 Base Plate
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BA1 L-Component
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B107Custom 1/4"-20 x 0.4" captive button head screw
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1/4"-20 x 3/8" button head screw
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HexKey-5/32-inch
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User Manual
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Limited 5-Year Warranty
Description
The Really Right Stuff BA1 camera body plates are custom designed for the most secure fit as possible on the Sony Alpha-1, A7RIV, A7SIII, and A9II. Each plate is precision machined from solid blocks of 6061-T6, aircraft grade aluminum.
The Sony A1 camera plate is fully compatible with any standard 1.5"-dovetail style quick-release system. The plate also has contoured anti-twist flanges for a perfect fit, which prevents twisting between the cameras and plate. The BA1 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, the BA1 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.
The BA1 plate system is compatible with the Sony A1, A7RIV, A7SIII, and A9II.
General | |
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Dimensions (L x W x H) | 5.6 x 2.8 x 3.4" / 143 x 71 x 86mm |
Weight | 5.2oz / 147g |
Slot Travel Length (Max. Screw-to-Screw Distance) | 0.9" /23mm |
Compatibility | Sony Alpha a1 Sony Alpha a7R IV Sony Alpha a7R IVa Sony Alpha a7S III Sony Alpha a9 II |