In 2016 Sigma joined the ranks of mirrorless camera provides with two sd Quattro models that use the SA mount. They eventually added L-mount cameras to their lineup. Sigma cameras no longer available new (current ones are here):
In 2016 Sigma joined the ranks of mirrorless camera provides with two sd Quattro models that use the SA mount. They eventually added L-mount cameras to their lineup. Sigma cameras no longer available new (current ones are here):