Sigma patents a small mirrorless macro lens
In a patent application detailing many different Macro lenses, most for DSLR mounts, there is one embodiment for a mirrorless .5x to 1.0x macro lens for a full frame mirrorless camera.
It's data characteristics are;
-0.5x - 1x
Focal Length 50.00 42.94 37.00
F-Number 2.97 3.64 4.38
Full Angle 46.96 37.88 32.66
Image Height 21.63 21.63 21.63
Total Length 109.51 127.94 144.38
Japan Patent Application 2019-144441
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