Lens characteristic evaluation device and method of operating lens characteristic evaluation device
AssigneeTopcon Corporation
InventorMakoto SAIKA
Life of this patent
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AssigneeTopcon Corporation
InventorMakoto SAIKA
Estimating the term…
A lens characteristic evaluation device includes: a scanning optical system configured to scan a surface of a test lens with a linear luminous flux; a Hartmann plate provided on a side opposite to the scanning optical system with respect to the test lens and having a plurality of two-dimensionally arranged pinholes, the Hartmann plate being configured to transmit the linear luminous flux which has passed through the test lens and radiated on the pinholes by the scanning performed by the scanning optical system; a screen on which the linear luminous flux having passed through the Hartmann plate is projected; and a photographing optical system provided on a side opposite to the Hartmann plate with respect to the screen and configured to photograph the screen while the scanning with the linear luminous flux is being performed by the scanning optical system.
A lens characteristic evaluation device comprising:
A method of operating a lens characteristic evaluation device, the device including a Hartmann plate provided on one surface side of a test lens and having a plurality of two-dimensionally arranged pinholes, a screen provided on a side opposite to the test lens with respect to the Hartmann plate, and a photographing optical system provided on a side opposite to the Hartmann plate with respect to the screen and configured to perform photographing of the screen, the method comprising:
Dependencies are inferred from the claim text.