1. CNC machining aluminum, anodized surface, strong and durable
2. The cage frame has many holes to connect other accessories
3. The cage corner is circle, ergonomic design, comfortable grip
4. The cage design avoids the position of camera button and does not cover the button and battery compartment
5. There are several 1/4 and 3/8 threaded holes in each direction of the product to facilitate the expansion of other photographic equipment
6. Suitable for Sony A7 III & A7M3 / A7R3 & A7R III camera
