Extra Short Focus Reading Monocular with Large FOV Long/Short Distance Viewing Monocular for Vision Impairment/Low Vision Monocular for Outdoor Activities Watching TV(4x12mm-Primary)

Product description 3x20mm Monocular 4x12mm Monocular(primary) 6x16mm Monocular(primary) 8x21mm Monocular(primary) Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.0 out of 5 stars 4.0 out of 5 stars 4.0 out of 5 stars 4.0 out of 5 stars Price Product Length 50mm, 61mm, 74mm, 85mm; Diameter of the Barrel: 26mm, 31mm, 31mm, 31mm Product Net Weight 36g, 61g, 66g, 77g Product Material Rubber+Metal+Glass Rubber+Metal+Glass Rubber+Metal+Glass Rubber+Metal+Glass Object Lens Diameter 20mm, 12mm, 16mm, 21mm Magnification Power 3x, 4x, 6x, 8x Shortest Viewing Distance about 30cm, about 30cm, about 30cm, about 30cm Longest Viewing Distance Unlimited, Unlimited, Unlimited, Unlimited Field of View 12.5°(≈656ft@1000yds), 9.3°(≈499ft@1000yds), 7.2°(≈378ft@1000yds)