Specifications:1) Range of measurement: a) Pupillary distance of two eyes: 45 - 82mm b) Pupillary distance of the left and right eyes: 22.5mm - 41mm2) Working distance measuring grades: 30cm, 35cm, 40cm, 50cm, 65cm, 1m, 2m to infinity3) Indication error: ≤0.5mm4) Asymmetry error: ≤0.5mm5) Rounding error: ≤0.5mm6) Automatic shut-off: 1 minute after operation stops7) Power source: DC 6V8) Overall dimensions: 212 x 158 x 58mm9) Weight: 550g
Specifications:1) Material: light-weight metal / plastic2) Holds 8 trial lenses3) Lens holder with a diameter of 38mm4) Fully adjustable temple length and nose rest5) Easily changeable cylinder axis6)
Specifications: 1) Material: light-weight metal / plastic2) Holds 8 trial lenses 3) Lens holder with a diameter of 38mm4) Fully adjustable temple length and nose rest5) Easily changeable cylinder axis
Features:1) New setup leveling mechanism2) Control of spherical power:a) Capable of measurement for the fullest range of +16.75D~0~-19.00Dwith the step of 0.25Db) Furthermore by application of an auxi
Features:1) New setup leveling mechanism2) Control of spherical power: a) Capable of measurement for the fullest range of +16.75D~0~-19.00D with the step of 0.25D b) Furthermore by application of an a
Features:1) Equipped with color image collecting system: able to conduct digitalreducibility of the caught picture2) 3 kinds of monitor modes: ocular, monitor and LCD, which can displayimages directly
Features:1) Equipped with color image collecting system: able to conduct digital reducibility of the caught picture2) 3 kinds of monitor modes: ocular, monitor and LCD, which can display images direct
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