Specifications

zeller manual phoropter / view tester ,adopting overall concentrated operation and large scale and improving performance.

zeller manual phoropter / view tester ,adopting overall concentrated operation and large scale and improving performance.

Automatical interlock between cross -cylinder lens and lens coordinates

 

Specifications:    
Sphere power: Range: +16.75 to -19.00D   
                 Step: 0.25D    
Cylinder power: range: 0.00D to -6.00D   
                 ( 0.00D to 8.00D with additional lens of-2.00D)  
                  Step: 0.25D    
Cylinder axis: 0 to 180°,5°steps   
Cross Cylinder: ±25 diopters   
Cross-cylinder lens: ±0.25D    
Rotary prisms: 0 to 20,1 steps   
Auxiliary lens dial: [O]-Open aperture (two positions)   
P.D.adjustment: 48-75mm,1mm steps   
Standard Accessory : One near point card with holder and rod,dust cover,face shield and case for lenses.   
Standard Accessory lens:Two-.12D and -2.00 cylinder lenses. Two plano lenses for sealing front opening   
Dimensions: 345×350×155(mm)   
Net weight: Approx.4.5Kg