Model Number: AOI UCL-03
Description: Underwater Close-up Lens for Action Camera & Phone
Lens Construction: 3 Elements in 3 Groups
Material: 
All Lens Elements in Optical Glass
Lens Barrel in Hard Anodized Aluminum Alloy
Silicone Front Bumper Ring
Lens Coating: All Glass Lens Elements with Multi-layers AR Coating
Field of View (Underwater): 90 Degree
Focus Distant (Underwater): 40mm (min.) to 78mm (max.)From the front lens element to the Subject
Lens Mount: Using AOI Quick Release System- 02 (QRS-02) Lens pre-installed with QR2 Mount (Compatible with the most popular AD Mount)
Optional Lens Mounts:
AD-M55-UWL-03 Adapter for UWL-03 with M55 Thread Mount
AD-M52-UWL-03 Adapter for UWL-03 with M52 Thread
AD-QR2-UWL-03 Adapter for UCL-03 with QR2 Mount
Waterproof: 60 Meters / 200 Ft
Dimensions: Φ81mm(D) x 28.5mm(H)
Weight (On Land / Underwater): 
283 g  (on land)
180 g  (underwater)
Accessories:
Neoprene Front Lens Cap
Rear Lens Cap in QR2 Mount
Lens Pouch (AOI LPC-01)
Lens Secure Line (AOI QRL-01)