130/01 JAVAL OPHTHALMOMETER Head, joystick base, chinrest, transformer, table plate, accessories, spare bulbs

130/S1 JAVAL OPHTHALMOMETER FOR TWIN TABLE Head and joystick base, accessories and spare bulbs


Tecnical data:
Mires 18 mm x 34.8 mm
Range sights eye 166 mm
Linear enlargement of lenses lx
Magnification of eyepiece (as Plöss) 18x
Total magnification 18x
Field of vision 9.5 mm
Image splitting trough double prismatic system
Curvature radius range from 5.5 mm to 11.30 mm (by 0.05 mm step)
Refractive power of corneal system range from 30 to 60D (by 0.25D step)


Reading:
Radius 0.05 mm refractive power 0.25D
Refractive index 1.3375
Minimum largeness of necessary surface to measuring.
with radius = 5.5 mm - 1.65 mm
with radius = 7.5 mm - 2.30 mm
with radius = 11 mm - 4.00 mm
Goniometrical semicircular disk range from 0° to 180° values in 2.5° increments
Vertical regulation 30 mm
Check sfere 6.75 mm - 50D
Mira bulbs 6V - 10W
Scale bulb 6V - 2W
Power supply 110/220V
Magnification lens of reading scale 2x