The Nauticam NA-α1II is a flagship professional underwater housing designed for the Sony a1 II and Sony a9 III mirrorless cameras. Precision-machined from hard-anodized aluminum, it delivers maximum durability, ergonomic control access, and full support for high-resolution imaging and 8K underwater video production.
Built around Nauticam’s Mission Control design philosophy, the housing places essential camera controls within natural reach via integrated handles and dual control levers. It supports the full N100 port system for compatibility with premium wide-angle, macro, and water-contact optics, making it a complete professional imaging platform for demanding underwater workflows.
Key Features
- Compatible with Sony a1 II and Sony a9 III (shared body platform design)
- Precision-machined hard-anodized aluminum construction
- Nauticam Mission Control ergonomic control layout for intuitive operation
- Dual rear thumb levers for AF-ON, REC, and playback control
- Integrated Vacuum Check & Leak Detection system with real-time alerts
- Nauticam N100 port system compatibility for full optical ecosystem support
- Supports WACP, WWL-1B, EMWL, FCP, and SMC optics
- HDMI 2.0 bulkhead for external monitor and recorder integration
- Fiber optic strobe triggering with optional electronic sync support
- EVF system optimized for Sony 9.44M-dot EVF using Nauticam Enhanced 0.8:1 Viewfinders
- Supports 45° angled and straight magnified viewfinder options
- Edge-to-edge magnified viewing for improved focus accuracy underwater
- Patented secure port locking system for fast lens and port changes
- Dual ergonomic handles with accessory mounting points
Specifications
- Material: Hard-anodized aluminum
- Camera compatibility: Sony a1 II / Sony a9 III
- Port system: Nauticam N100
- Dimensions: 347 × 171 × 127 mm
- Weight: 2.65 kg (in air)
- Buoyancy: approximately 0.48 kg (with camera and battery)
- Depth rating: 100 m
- Video output: HDMI 2.0 (M24 bulkhead, HDMI 1.4 compatible via adapter)
- Monitoring system: Integrated vacuum and leak detection electronics
- Mounting: M10 accessory mounting points
In the Box
- Nauticam NA-α1II housing body
- Dual ergonomic handles with mounting balls
- Spare main O-ring
- O-ring remover tool
- Silicone grease
- CR2032 battery for vacuum/moisture alarm system
- Allen key set
- Optical bulkhead caps
- Padded carrying bag with shoulder strap
- Instruction manual card