Canon 18x50 IS, Porro II, 18x, 1.97" (5 cm), Super Spectra Coating (SSC), Waterproof, 2.6 lbs (1.18 kg)
Canon 18x50 IS. Magnification: 18x, Objective diameter: 1.97" (5 cm), Prism type: Porro II. Power source: Batteries, Battery type: AAA. Width: 5.98" (152 mm), Depth: 3.19" (81 mm), Height: 7.6" (193 mm)