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    This product was added to our catalog on Thursday 25 February, 2016.

    XINYUAN VT-5A PHOROPTER

    Price:  $0.00

    XINYUAN VT-5A PHOROPTER

    Description

    Specifications

    Sphere powers range: +16.75D to19.00D, with minimum reading 0.25D or 0.12D
    Cylinder power range: 0 to6.00D, with minimum reading 0.25D or 0.12D (when auxiliary lens is in use)
    0 to8.00D (when2.00D auxiliary lens is in use)
    Astigmatic axis scale: 0 to 180 in 5 steps
    Rotary prism: 0 to 20D in 1D step
    Interpupillary adjustment: 48mm to 80mm in 1mm step (right and left synchronized)
    Forehead rest adjustment: 16mm backward and forward
    Convergence: The optical axes of the lenses are aligned at a
    distance of 400mm from the vertexes of the corneas (2mm each for right
    and left inward)
    Interpupillary distance enabling convergence=57mm to 80mm
    Corneal distance device: 2mm forward and 5mm backward from standard plane; with scale
    Effective field of view: 19mm
    Weight: 5kgs
    Size: 323mm*315mm*85mm

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