Eyeglass Equipment

SpecificationsEffective Range of Measurement: Binocular papillary distance: 45 ~ 82 mmLeft or right papillary distance: 22.5 ~ 41 mmIndication Error: ≤ 0.5 mmasmmetrical error: ≤ 0.5 mmRounding Error: ≤ 0.5 mmDistance of Target: 30 cm ~ ∞Power Supply: DC 3-3.7V; 2 x 5# AA BatteryTime for Automatic Shut-off: About one minute after stopping operationDimension: 230 x 170 x 622 mmWeight: 0.7

SpecificationPower Battery: DC 12 V; 23 A; 5 WDimension: 215 x 122 x 44 mmWeight: 0.2

Product DescriptionSpecific Lens104 Trial lens set including:Spheres: 18 pairs each of concave and convex0.25D to 2.00D in 0.25 steps2.50D to 4.50D in 0.50 steps5.00D to 8.00D in 1.00 steps10.00DCylinders: 6 pairs each of concave and convex0.25D to 1.00D in 0.25 steps2.00D to 3.00D in 1.00 stepsPrisms: 4 pieces0.5 , 1.0, 2.00, 3.00Accessories: 4 piecesBL, RF, FLCross cylinder 1 piece: 0.25 or 0.5

Product description This trial lens set contains 266 pcs of lenses, including 160 spherical lenses, 80 cylindrical lenses,12 prisms, and 12 accessories.Specific LensSpheres: 40 pairs each of concave and convex0.25D to 6.00D in 0.25 steps6.50D to 10.00D in 0.50 steps11.00D to 15.00D in 1.00 steps16.00D to 20.00D in 2.00 stepsCylinders: 20 pairs each of concave and convex0.25D to 4.00D in 0.25 steps4.50D to 6.00D in 0.50 stepsPrisms: 12 pieces0.5 (2), 1.0-10.0(1)Accessories:14 piecesRF,GF,BL,FL (1) PL,MR,SS,CL,PH (2)Cross cylinder: 0.25(1), 0.5(1)DimensionCase Size:   23.2" *

Product description This trial lens set contains 232 pcs of lenses, including 140 pcs spherical lenses, 68 pcs cylindrical lenses,12 pcs prisms, and 14 pcs accessories.Specific LensSpheres: 35 pairs each of concave and convex0.120.25D to 4.00D in 0.25 steps4.50D to 8.00D in 0.50 steps9.00D to 15.00D in 1.00 steps16.00D to 20.00D in 2.00 stepsCylinders: 17 pairs each of concave and convex0.12D0.25D to 2.50D in 0.25 steps3.00D to 5.00D in 0.50 steps6.00DPrisms: 12 pieces0.5 (2), 1.0-10.0(1)Accessories:14 piecesRF,GF,BL,PL,FL,SS (1) MR,CL,PH (2)Cross cylinder: 0.25(1), 0.5(1)

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