CT4221A Manual Lensometer without Prism Compensator
CT4221 Manual Lensometer with Prism Compensator
Lensometer can be used in optical spectacles, spectacles shops and ophthalmological department of hospital to determine the optical parameters such as apex diopter, cylindrical astigmatic diopter, cylindrical astigmatic axial angle and the prismatic power. It is an essential optical measuring instrument for correcting defects of vision and inspecting the lens during production.
Specifications
|
Range of diopter measurement: |
0D to ±20D |
|
Minimum scale value: |
0.125D at 0D to ±5D 0.25 at ±5D to ± 20D |
|
Astigmatism axis of cylindric lens: |
0 to 180°, minimum scale value 5° |
|
Regulation of ocular visibility: |
±5D |
|
Size of lens: |
30MM to 90MM |
|
Prism base angle: |
0 to 180°, minimum scale value 5° |
|
Dimensions: |
460*170*240MM |
|
Lighting lamp: |
25W |
|
Weight: |
7.35KGS |
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