The diving supplies is designed by 3 high quality optical glasses .This multi-element combination helps to reduce chromatic aberration and field curvature .This is a professional diving equipment for close-up shooting .
Key Features:
•Optical power in Water: +12 dioptres
•Aluminum body Hard anodized coated 40 microns
•Two flat glass BK7 with anti scratch and anti-glare
•3 groups – 3 elements
•Weight: 330g
•Diameter: 72mm
•Length: 45mm
•Depth rating: 60m