展品一览（温州展）

Lensmeter
Eyepiece Focusing Range:-5D~+5D
Lens Measuring Range:-25~+25D
Vertex Power Measuring:Step 0.125D(-5D~±5D)0.25(Beyongd±5D)
Prismatic Power Measuring:Range 5 prism diopters step 1 prism diopter 1
Cylindrical Axis Angle:Readings range 0° ~180° incremental change1°
Prism Axis Angle:Readings range 0° ~180° incremental change1°
Lens Accommodated:Φ20mm~80mm
Tilting Angle:0°~90°
Bulb Voltage and Power:110V/15W or 220V/15W