Extra Short Focus Reading Monocular with Large FOV Long/Short Distance Viewing Monocular for Vision Impairment/Low Vision Monocular for Outdoor Activities Watching TV(8x21mm-Blue Mark)

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)