---
product_id: 490289968
title: "Baseplate for Sony A7 V / A7R V / A7 IV, Bottom Mount Plate with Quick Release Plate for Arca, QD Interface, Anti-Scratch & Anti-Deflection - 3666B"
brand: "smallrig"
price: "457.74 DT"
currency: TND
in_stock: true
reviews_count: 5
category: "Small Rig"
url: https://www.desertcart.tn/products/490289968-baseplate-for-sony-a7-v-a7r-v-a7-iv-bottom
store_origin: TN
region: Tunisia
---

# Arca quick release plate for ultra-fast setup swaps Genuine first-layer cowhide grip for premium feel 1/4"-20 threaded holes for versatile mounting Baseplate for Sony A7 V / A7R V / A7 IV, Bottom Mount Plate with Quick Release Plate for Arca, QD Interface, Anti-Scratch & Anti-Deflection - 3666B

**Brand:** smallrig
**Price:** 457.74 DT
**Availability:** ✅ In Stock

## Summary

> 🎥 Elevate your Sony A7 experience — grip, switch, and shoot like a pro!

## Quick Answers

- **What is this?** Baseplate for Sony A7 V / A7R V / A7 IV, Bottom Mount Plate with Quick Release Plate for Arca, QD Interface, Anti-Scratch & Anti-Deflection - 3666B by smallrig
- **How much does it cost?** 457.74 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/490289968-baseplate-for-sony-a7-v-a7r-v-a7-iv-bottom)

## Best For

- smallrig enthusiasts

## Why This Product

- Trusted smallrig brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Accessory-Ready Base:** Multiple QD interfaces, cold shoes, and threaded holes expand your creative toolkit effortlessly.
- • **Rapid Rig Transitions:** Arca quick release plate lets you switch between tripod, stabilizer, and handheld modes in seconds.
- • **Seamless Grip Upgrade:** Ergonomically sculpted with genuine leather for all-day comfort and style.
- • **Magnetic Wrench Built-In:** Effortless assembly and disassembly with the integrated magnetic tool—never lose your key on set.
- • **Scratch & Deflection Defense:** Built-in protective gaskets and precision screws safeguard your camera’s integrity.

## Overview

The SmallRig Baseplate 3666B is a precision-engineered bottom mount plate designed exclusively for Sony Alpha 7 V, 7R V, and 7 IV cameras. Crafted from durable aluminum alloy and stainless steel, it features a genuine leather grip for enhanced comfort and style. Equipped with an Arca quick release plate, multiple mounting points including 1/4"-20 threaded holes and cold shoes, plus built-in protective gaskets and a magnetic wrench, it streamlines your workflow by enabling fast transitions between tripod, stabilizer, and handheld shooting while protecting your camera from scratches and deflection.

## Description

SmallRig Motherboard for Sony Alpha 7 IV 3666 Key Features: 1. Improves grip experience and prevents scratches 2. Axle key on the battery door fits the curve of the camera and enhances the gripping experience 3. Genuine leather integrated into the motherboard integrates into the camera body 4. Arca quick release plate on the bottom to quickly switch between tripod, stabilizer (for DJI RS 2/RSC 2) and handheld shooting 5. Built-in magnetic key for easy disassembly and mounting Compatibility: for Sony Alpha7 IV Package includes: 1 x Base Plate Specifications: Product dimensions: 132 x 65 x 12.5 mm. Package dimensions: 155 x 80 x 40 mm. Net Weight: 90g±5g Package Weight: 135g ±5g Material: aluminium alloy, stainless steel, silicone, genuine leather. RELATED PRODUCTS: 3660, 3667, 3668, 3669, BUT2664, PAC2456

Review: Top Quality
Review: Great addition for a great camera

## Features

- For Sony Alpha 7 V / Alpha 7R V / Alpha 7 IV: The baseplate is designed to improve the grip of the camera, enable quick switch between tripod, handheld and other shooting scenarios, and protect the bottom of the camera.
- Formfitting Design: There is an opening and closing wrench beside the battery compartment. The structure of the new version has been optimized to better fit the curve of the fuselage, making your little finger feel more comfortable when holding it. The hand grip of the baseplate is embedded with carefully selected first-layer cowhide, which is integrated with camera body and has a high-quality texture.
- Multiple Installation Points: There are QD interface, 1/4"-20 threaded holes with a spacing of 18mm and cold shoes at the bottom, which can be expanded with QD shoulder straps, mini tripods, microphones and other accessories.
- Quick Release Plate for Arca: There is a quick release plate for Arca at the bottom, which can realize quick switching between tripod, RS 3/RS 3 Pro/RS 2/RSC 2 stabilizer for DJI and handheld shooting mode, which is convenient and time-saving.
- Anti-Scratch & Anti-Deflection: Connect the bottom of the camera through 1/4"-20 screws and positioning pin, and built-in protective gaskets to prevent the camera from scratching and deflection. Built-in magnetic wrench, easy to disassemble and assemble.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09P9ZVDVP |
| Audio Recording | No |
| Best Sellers Rank | #77,127 in Electronics ( See Top 100 in Electronics ) #265 in Camcorder Handheld Stabilizers |
| Brand | SmallRig |
| Color | Black |
| Colour | Black |
| Compatible Devices | Sony Alpha 7R V, 7 IV |
| Compatible devices | Sony Alpha 7R V, 7 IV |
| Customer Reviews | 4.6 out of 5 stars 173 Reviews |
| Exposure Control Type | Manual (M) |
| File Format | JPEG, PNG, RAW |
| Folded Size | 132mm (L) x 65mm (W) x 12.5mm (H) |
| Folded size | 132mm (L) x 65mm (W) x 12.5mm (H) |
| Iso Range | 100-32000 (expandable to 50-102400) |
| Item Dimensions D x W x H | 1.3D x 6.5W x 1.3H centimeters |
| Item Weight | 80 Grams |
| Item weight | 80 Grams |
| Light Sensitivity | 100-32000 (expandable to 50-102400) for Sony A7R V, 100-51200 (expandable to 50-204800) for Sony A7 IV |
| Manufacturer | SMALLRIG |
| Maximum Weight Recommendation | 135 Grams |
| Model Name | SmallRig Baseplate 3666 |
| Product dimensions | 1.3D x 6.5W x 1.3H centimeters |
| Video Capture Format | MP4 |
| Video Capture Resolution | 3840 x 2160 |
| Viewfinder Type | LCD screen |
| Water Resistance Level | Not Water Resistant |

## Product Details

- **Colour:** Black
- **Brand:** SmallRig
- **Compatible devices:** Camera
- **Product dimensions:** 13.2D x 6.5W x 1.3H centimeters
- **Item weight:** 95 Grams

## Images

![Baseplate for Sony A7 V / A7R V / A7 IV, Bottom Mount Plate with Quick Release Plate for Arca, QD Interface, Anti-Scratch & Anti-Deflection - 3666B - Image 1](https://m.media-amazon.com/images/I/61uh20QRwjL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Top Quality
*by F***I on 30 March 2024*



### ⭐⭐⭐⭐⭐ Great addition for a great camera
*by M***. on 21 February 2024*



### ⭐⭐⭐⭐⭐ Beautifully made base plate for the Sony A 7RV and A 7IV.
*by P***J on 12 June 2025*



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**Shop now:** [https://www.desertcart.tn/products/490289968-baseplate-for-sony-a7-v-a7r-v-a7-iv-bottom](https://www.desertcart.tn/products/490289968-baseplate-for-sony-a7-v-a7r-v-a7-iv-bottom)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-03-14*