VT-10A Manual Phoropter,It can match almost all kinds of ophthalmic unit

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VT-10A Manual Phoropter

Product Abstract:

Black &white colors are available.

Product Description

Black &white colors are available.

Features:

■ Elegant design for the appearance and easy and flexible optical lens dials.

■ Precise optical lens with top-grade coating

■ When rotating risk is turning by sphere

■ Can make sphere power adjust in 3.00d big scope

■ Designed expediently and smartly for particular cross cylinder

■ Supplementary fittings of complete set could measure nearsight

■ With synthetic and overall inspecting functions on eyesight

■ Clear scale, convenient and durable operating

■ This is suitable for eyesight examination in spectacles shops, department of ophthalmology in hospitals, schools and enterprises

Specifications:
Sphere powers range:	+16.75D to－19.00D, with minimum reading 0.25D or 0.12D
	(When +0.12D auxiliary lens or optional ±0.12D lens is in use)
	+26.75D to－29.00D (When optional ±10.00D lens is in use)
Cylinder power range:	0 to－6.00D, with minimum reading 0.25D or 0.12D (when auxiliary lens is in use)
Cylinder power range:	0 to－8.00D (when－2.00D auxiliary lens is in use)
Astigmatic axis scale:	0 to 180° in 5° steps
Cross cylinder:	±0.25D, reversal type (synchronized with astigmatic axis)
Rotary prism:	0 to 20∆D in 1∆D step
Interpupillary adjustment:	48mm to 80mm in 1mm step (right and left synchronized)
Forehead rest adjustment:	16mm backward and forward
Convergence: (2mm each for right and left inward)	The optical axes of the lenses are aligned at a distance of 400mm from the vertexes of the corneas
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:	291~323×315×85