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 spray-painted 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 Strap.Features COMFORT STRAP COMPATIBLE: Masks that show this icon are compatible with Comfort Straps.Standard glass has a slight green tint, resulting from impurities that do not have a big influence on vision but can distort true colors and reduce light transmission through the glass under low light conditions. SCUBAPRO ultra clear lenses offer exceptional clarity together with brighter vision underwater.Galileo HUD COMPATIBLE: Masks that show this icon are compatible with Galileo HUD Dive Computer.Galileo HUD COMPATIBLE: Masks that show this icon are compatible with Galileo HUD Dive Computer.Silicone near the mask frame is thicker and firmer with a matte finish for additional support and rigidity.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 no-tint glass provides optimal clarity under water, 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.Colourful 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 also available.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. Specifications Product Weight (M): 0.2 kgActivity: RecreationalMaterials - Masks: Polycarbonate, High-Grade SiliconeMarketing Product Type - Masks: Dual LensConstruction: FramedPrescription Lens Compatible: YesSkirt Color: BlackSkirt Technology: StandardUPC: 4048336403160