Scubapro Zoom Dive Mask The Zoom is a low volume dual lens mask that is ideal for all divers, but is especially well-suited to divers who use optical lenses. The mask has a lens change system that enables you to switch lenses yourself, without tools, in less than a minute. Featuring sub-frames in colours matching Seawing Nova fins, HYDROS BCD colour kits and the UPF Collection of rash guards, steamers and leggings, the Zoom offers a universal fit and includes an integrated buckle design that is compatible with the Comfort Straps. Features: SCUBAPRO’s first premium mask that offers a convenient lens change system for divers who use optical lenses. Lens change system lets you change the lenses yourself, without tools, in less than a minute. Ultra Clear lenses are standard, with a low volume design to make clearing easy. Universal fit ensures a comfortable, watertight fit. Integrated buckles make adjustments easy and are compatible with Comfort Straps. Colorful sub-frames come with black or clear skirts. Optical lenses sold separately. Equipped with a standard silicon strap and compatible with optional Comfort Straps. Optional accessories like a HUD hands-free dive computer mount adapter, colour kits and optical/bifocal lenses are sold separately. Replaceable Optical Lenses range from -1.0 to -8.0 (in .5 diopter increments). Lenses are interchangeable and will fit either the left or the right side. Add-on Bi-Focus lenses are magnifiers that are bonded to plain lenses and range from +1.0 to +3.0. These have a left and right side. Technical Features: Activity: Recreational Materials - Masks: Polycarbonate, High-Grade Silicone Product Weight (M): 200 g /  7 oz Masks Type: Dual Lens Construction Framed Prescription Lens Compatible: Yes