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Fig. 8 | PhotoniX

Fig. 8

From: Conceptual design of the optical system of the 6.5m wide field multiplexed survey telescope with excellent image quality

Fig. 8

a-c MUST at 0°, 30°, and 50° zenith. d-f Spot patterns in the 3° FOV at the three zenith angles. The reference circle is in the dimension of 150 μm (or 1.3″). g-i RMS radius of the image spot in the entire 3° FOV at the three zenith angles. j-l Distribution of RMS spot radius in the entire 3° FOV at the three zenith angles. m-o Fraction of the enclosed energy ranging with the spot radius at the three zenith angles. p EE80 diameter ranging with the FOV at different zenith angles. q Fraction of unvignetted rays. r Maximum distortion at different zenith angle

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