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Sigma SA lens mount

No
44.0
44.0

Sigma introduced the SA mount in 1992, it's used by full frame and APS size sensor cameras/lenses.

In 2018 Sigma announced that it discontinues development of SA-mount camera focusing instead on the Leica L mount through the L-alliance with Panasonic and Leica.

Sensor formatSensor crop factor
Full frame1.00
APS-C1.53
1622