24mm F1.0 for APS-H from CANON [Patent]

Yesterday, I posted a patent of CANON.
That patent described a optics of 24mm F1.0 for APS-H as follows.

Specification and lens arrangement of master lens 2 with reducer 5
Focal length: 23.92 mm
F number: 1.02
Half angle of view: 32.33
Image height: 15.14 mm
Lens length: 125.59 mm
Back focus: 2.00 mm
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