Overview
Elevate your underwater videography and photography to a professional level with the WEEFINE Smart Focus 4000 v2. This multifunctional WRGB video light combines cinema-grade technology with a lightweight, compact design, giving you unparalleled creative control to capture the vibrant, true colors of the aquatic world.
Key Features:
- Cinema-Grade COB Integrated Light: Experience powerful, uniform, and soft illumination without hotspots. The advanced COB (Chip-on-Board) LED technology provides a professional-quality light source perfect for capturing smooth, cinematic footage.
- WRGB & Full Spectrum Lighting: Go beyond standard white light. With WRGB (White, Red, Green, Blue) technology and a high CRI 95+ rating, this light offers a full color spectrum. This allows you to accurately reproduce colors, manually adjust hues to correct for water filtration, and create stunning artistic effects.
- Lightweight & Highly Maneuverable: Weighing only 220g underwater, the Smart Focus 4000 v2 is incredibly easy to handle. Its compact form factor allows it to be comfortably hand-held for dynamic shots or securely mounted on a housing, providing ultimate flexibility on any dive.
- Robust 100-Meter Depth Rating: Engineered for serious divers, this light is built to perform reliably at depths of up to 100 meters, making it suitable for both recreational and technical underwater imaging.
- Multifunctional & Intelligent: The "Smart Focus" system offers a suite of intelligent features, allowing you to fine-tune color temperature, adjust brightness, and access various lighting modes to suit any shooting scenario, from deep blue open water to intricate macro subjects.


- Specifications
- Reviews
Specifications
- Max Brightness: 5000 Lumens (Flood & Full Spectrum modes)
- Color Accuracy: CRI ≥95 (Full Spectrum Mode)
- Beam Angle: 110° (Flood Light)
- Battery: WBL-31N, 11.1V, 3400mAh
- Burn Time: ~70 min @ 4000 lumens
- Depth Rating: 100m / 330 ft
- Dimensions: 58mm x 120.7mm
- Weight: 460g-480g (on land) / 220g-230g (underwater)