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Dove prism is an image rotator. After light passes through the prism, the image rotates 180 °. By observing through the prism and rotating around the longitudinal axis, the rotation angle of the formed image will be twice that of the rotation angle.
Dove prism is an image rotator. After light passes through the prism, the image rotates 180 °. By observing through the prism and rotating around the longitudinal axis, the rotation angle of the formed image will be twice that of the rotation angle.