Kraken Macro lens +13 M67 Diopter "Lucky 13"

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
Mounting Thread: 67mm
Depth Rating: 197ft (60m)