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Fig. 7 | PhotoniX

Fig. 7

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

Fig. 7

a Vertical view of the surface shape of the focal plane. b Sectional drawing of the aspheric surface of the focal plane. c Variation of the angle of incidence with the FOV. d Variation of the angle of incidence with the zenith angle. e Schematic diagram of the angle of incidence between the fiber normal and the incident light in the focal plane, and 0.65° angle of incidence at 50° zenith angle

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