Phorpter: VT-B1

Min. Order: 1 Piece
Payment Terms: L/C, T/T
Phorpter: VT-B1

Product Description

Unique butterfly design
All-sided visual functions checking, accurate and comfortable measurement
Exquisite manuifacturing technique, comfortable operation feel
High grade coating of all optical lenses
Many technology and design patents
 
Optical  Components
Sphere  (SPH)  : -19.00D  ~  +16.75D  (0.25D  increments,   or  0.12D  increments  when  auxiliary  ± 0.12D  lens  used)(or-29.00D  ~  +26.75D  (0.12D  increments)  (when  optional  ± 10D  lens  used)
Cylinder  (CYL)  : 0D  ~  -6D  (0.25D  increments,   or  0.12D  increments  when  auxiliary  ± 0.12D  lens  used)
(0D  ~  -8D  (0.12/0.25D  increments)(when  optional  -2.00D  lens  used)
Axis  (AX)  : 0°   ~  180°   (5°   increments)
Cross-Cynlinder  : ± 0.25D,   reversed-type  (AX  synchronize)
± 0.50D  (optional)
Built-In  Optical  Filters  : Red,   Green,   Polarized,   Maddox  Vertical,   Maddox  Horizontal,   Cross-Cylinder  ± 0.50D
Optical  Components
Rotation  Prism  : 0  ~  20Δ   (1Δ   increments)
Convergence  Adjustments  : 57~  80  mm  (optical  axes  aligned  at  the  distance  of  400  mm  from  cornea  vertex,   2  mm  each  for  left  and  right)
PD  Distance  Adjustment  50  ~  75  mm  (1  mm  increments)
Vertex  Distance  (VD)  : 13.75  mm
Field  of  view  : 19  mm
Optical  Components
Head-Support  Adjustment  : ± 16  mm  (front,   back)
Dimensions  : 335  x  320  x  98  mm
Weight  : 5  kg  (net)

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