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  Asphere Optics — On Axis (Axi-symmetric)

On-axis Center Aspheric Segment with Off-axis Petal


Addition of off axis petals can grow the mirror to larger diameters.
Typical large optical systems utilize an on-axis primary mirror as the key optic. Manufacturing these large aspheric optics is one of the core competencies for Precision Optics.

Systems such as Ikonos use on-axis aspheres for the primary mirror.