Ophthalmic Equipment VT-800 Digital Automatic Phoropter View test Eye Exam Digital Phoropter 1.180 degrees reversible screen make it more convenient to communicate with customer 2. Single eye pd free style setting make progressive lens tester easily 3. One key help function make it easily for operation 4. 9.7 inch lcd screen 5. More connection style(bule tooth,wifi) Sphere: -29.00~ 26.75 D(step:0.12D/0.25D/0.5D/1D/2D/3D) Cylinder: 0.00~8.75D (step:0.25D/0.5D/1D/2D/3D) Cylinder axis: 0~180°(step : 1/5/15/30/45°) PD: Far : 48~80mm Near : 45~75mm (step:0.5/1.0mm) Working distance: 35~70cm (step: 5 cm ) Prism: 0~20Δ(step 0.1Δ/0.2Δ/0.5Δ/1Δ/2Δ) cross cylinder:: cross cylinder ±0.25D Jackson cross cylinder ±0.5D Dual cross cylinder (separation prism) Ophthalmoscope: 1.5D, 2.0D( measuring distance 67cm, 50cm ) Size and Weight Body of main engine: 362(W)×83(D)×299(H)mm , 3.5kg Keyboard: 215(W)×230(D)×226(H)mm , 1.5kg Junction box: 266(W)×72(D)×240(H)mm, 1.3kg Voltage: AC 100~240V, 50/60Hz Power: 90VA Auxiliary lens Pinhole lens: Φ1mm Maddox: Right eye (horizon),left eye (vertical) Red and green lens: Right eye(red) , left eye (green) Polaroid: Right eye(135°, 45°), left eye (45°, 135°) Separation prism: Right eye(6ΔBU), Left eye(10ΔBI) Solid suprachiasmatic cylinder : cross cylinder±0.50D , Axis fixation90