Sky Rover 70APO BINO giant binoculars are made of magnesium-aluminum alloy with good strength, rigidity and stability. The large diameter of 70mm increases the light flux and makes the objects you observe brighter. It is waterproof and can be used in various environments. 

Model: SKY ROVER 70 APO BINO 45 degree giant binoculars
Diameter: 70mm
Focal length: 400mm
Optics: doublet elements, air-spaced apochromatic, including a piece of Super ED
Body: Magnesium-aluminum alloy body
Exit diaphragm: 28mm
Eyepiece interface: 1.25 inches (31.7mm)
Eyepiece locking: coaxial screw locking
Focusing mode: spiral binocular independent focusing
Double pupil spacing: 54-75mm
Base: 3/8 screw hole and 1/4 screw hole
Size: about 385x213x116mm (length x width x height)
Weight: about 3.7kg
Factory configuration: Binoculars x1; UF18mm ultraflat-field eyepiece x2.

(1) UF18mm eyepieces                       (2) Portable handle                        (3) Hole for finder installation (M5)                     (4) Aluminum magnesium alloy body

(5) Eyepiece lock ring                         (6) Focus ring                                 (7) Connector for base                                                  (8) Retractable dewshield