typeother Dimensions Dimensions27 x 41 x 49 mmWeight46 g Optical properties Magnification4 xLens diameter13 mmExit pupill3.3 mmGeometric luminosity10.5Twilight number7.2Near point2 mField of view/Visual [...] a pocket magnifier with about 3x magnification by simply turning it round.Product AccessoriesCarrying cord and bag. Technical data Glass properties Prism materialBK-7Lens coatingfull magenta coating [...] l field/Field of vision225 Optical Properties Magnification distance4 xNear point4 mFocusfixed focus Warranty Warranty5 yearsProduct overview
Dimensions27 x 41 x 49 mmWeight46 g Glass properties Prism materialBK-7Lens coatingfull magenta coating Optical properties Magnification4 xLens diameter13 mmExit pupill3.3 mmGeometric luminosity10.5Twilight [...] for use as a pocket magnifier with about 3x magnification by simply turning it round.Product AccessoriesCarrying cord and bag. Technical data Warranty Warranty5 years Basic properties/features Construction [...] 5Twilight number7.2Near point2 mField of view/Visual field/Field of vision225 Optical Properties Magnification distance4 xNear point4 mFocusfixed focusProduct overview