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Specification
Brand : OPTISUN Medical
BulletPoint1 : 1. the delivery would be carried by UPS or TNT etc and fulfiled in 5--7 working days.
BulletPoint2 : 2. Capable of checking up all-sided visual functions, precise and comfortable in measurement
BulletPoint3 : 3. Exquisite manufacturing technique, with comfortable feel
BulletPoint4 : 4. High grade plated-film used in all optic lenses
BulletPoint5 : 5. Minus cylinder
Color : black
ItemName : Manual Refractor/Manual Phoropter, Optical View Tester Vision Tester, Plus Cylinder (Black)
ItemPackageQuantity : 1
ItemTypeKeyword : professional-medical-ophthalmoscopes
Manufacturer : OPTISUN Medical
Material : Metal
NumberOfItems : 1
PartNumber : DS-3020P
PowerSourceType : Battery Powered
ProductDescription : Top-grade quality made with all metal machanism and gears for best smoothy turning.
Elegant design of butterfly-shape appearance

--1.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)
--2.extending sphere range:+26.75D to－29.00D (When optional ±10.00D lens is in use)
--3.Cylinder power range: 0 to +6.00D, with minimum reading 0.25D or 0.12D (whenauxiliary lens is in use)
--4.extending cylinder range:0 to +8.00D (when+2.00D auxiliary lens is in use)
--5.Astigmatic axis scale: 0 to 180° in 15° steps
--6.Cross cylinder: ±0.25D, reversal type (synchronized with astigmatic axis)
--7.Rotary prism: 0 to 20?D in 1?D step
--8.Interpupillary adjustment: 48mm to 80mm in 1mm step (right and left synchronized)
--9.Forehead rest adjustment: 16mm backward and forward
--10.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)
--11.Interpupillary distance enabling convergence： 57mm to 80mm
--12.Corneal distance device: 2mm forward and 5mm backward from standard plane; with scale
--13.Effective field of view: 19mm
--14.Weight: 5kgs
--15.Size: 291—323×315×85
ProductSiteLaunchDate : 2016-10-13T04:00:00.000Z
UnspscCode : 41113600