Kraken +13 "Lucky 13" M67 Diopter Macro Lens

• Lens Construction: 4 elements, 3 groups
• Diopter: +13 (76.92mm)
• Working Distance: 60mm-85mm (from front of lens)
• Max Magnification: x2.5 (area ration x6.25) with 105mm F2.8 macro lens
• Glass/Coating: Optical glass/multi layer BBAR coating
• Lens Barrel: Aluminum w/ type II anodizing
• Mounting Thread: 67mm
• Dimensions: ~71.7x42.4mm
• Weight (air): 410g
• Weight (water): 280g
• Depth Rating: 197ft (60m)