These cross cylinders are made of precision optical lenses with AR coating, special window design makes the power of the astigmatism correction and the axis more accurate.
Diopters | CY+/-0.12, +/-0.25,+/-0.50 |
---|---|
Optical aperture | 25mm |
Weight | 7.7g |
This cross cylinder set is made of AR coating optical lenses
A special window design makes the power of the astigmatism correction and the axis more accurate
Markings of side I and side II help optometrists remember the tesst data more easily
Diopters: CY+/-0.12, +/-0.25,+/-0.50
Optical aperture:25mm
Weight: 7.7g