Request InfoOptical Surfaces Ltd.KENLEY, England, Feb. 10, 2020 — Off-Axis Parabolic (OAP) Mirrors from Optical Surfaces Ltd. combine the achromatic and diffraction-limited imaging properties of a parabolic mirror with the ability to deviate the light path off-axis for optical design. The mirrors offer the ability to focus collimated light without introducing spherical aberration. Additionally, unlike a centered parabolic mirror, an OAP mirror advantageously allows more interactive space around the focal point without disrupting the beam. 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