Zeiss Humphrey La 350 Auto Lensometer 1 | EMS
Zeiss Humphrey La 350 Auto Lensometer 1 | EMS
Zeiss Humphrey La 350 Auto Lensometer 2 | EMS

Zeiss Humphrey LA-350 Auto Lensometer

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The Used Zeiss Humphrey LA-350 Auto Lensometer Features:

Automatically Calculated Monocular and Binocular Spectacle PD
Prescriptions with Prism, Contact Lenses, Polycarbonate or other High-Index Materials
Lens Neutralization for Progressive Lenses
Icon-Based Interface
Continuous Feedback

Available:

  • Pre-Owned
Features Financing
  • Range of Applicability to Lens Types
  •  

  • Spectacles: single, bifocal, trifocal, aphakic, and progressive addition lenses
  • Contacts: hard and soft
  • Tints and Coatings: scratch resistant. UV and anti-reflective coatings and tints down to 5% luminous transmittance
  • Refractive materials: all commercially available
  • Lens diameter: 7mm to 100mm
  • High Index Correction: corrects calibration for high-index materials due to dispersion difference in response to operator input of appropriate Abbé value
  • Performance
  •  

  • Sphere: -20D to +20D
  • Increments: .01D, .12D, .25D
  • Cylinder: -20D to +20D
  • Increments: .01D, .12D, .25D
  • Axis: 1° to 180°
  • Increments: 1°
  • Prism: -15D to +15D
  • Increments: .01D, .12D, .25D
  • PD: 0 to 90mm
  • Increments: .5mm
  • Operator Interface: Output
  •  

  • Video Display: 9° diagonal, white phosphor CRT
  • - Resolution: 640 x 480 pixels
  • - 16 level grayscale
  • Paper size: 58 mm thermal paper
  • Audible prompts and indicators
  • Operator Interface: Input
  •  

  • Function buttons
  • Foot Switch for STORE function
  • STORE button
  • Light source: wavelength: 660nm
  • - Type: LED
  • - Measurement pattern size: 5mm
  • - (or diagonal): 3.5 mm (contact lens/PAL)
  •  

  • Operating conditions: +10°C to +40°C, 20% to 90% relative humidity
  • Storage conditions: -40°C to +70°C, 0% to 90% relative humidity (non-condensing)
  • Electrical
  •  

  • Line voltage: 100 to 240V AC
  • Frequency: 47 to 63 single phase
  • Power: 100V
  • Fuse rating: 3A fast Blow, 250V, 5 x 20mm
  • Current leakage: Less than 100µA at 120V
  • Interfaces
  •  

  • Two RS-232 serial communication ports
  • Selectable baud rate: 300 to 19.2K

EMS has partnered with GreatAmerica Financial Services to provide financing to our customers. Headquartered in Cedar Rapids, IA since 1992,
GreatAmerica Financial Services is the largest private independent small ticket equipment finance company in the US. GreatAmerica works with our customers to make purchases as easy as possible with an industry leading customer service experience.

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