Sigma has made a number of film SLR cameras, including the SA-300, SA-5, SA-7 and SA-9. Their latest consumer digital SLR is the SD15. During Photokina 2010, Sigma announced their new flagship DSLR camera, the SD1. SD1 features a new 46MP Foveon X3 sensor with 1.5x crop, as opposed to the 1.7x crop of previous models.
All Sigma SLR and DSLR cameras use the Sigma SA mount, which is mechanically similar to the Pentax K mount and electrically an adaptation of the Canon EF lens mount lens control system.
Sigma also produces high-end compact digital cameras, the Sigma DP1 and Sigma DP2, using similar 14 MP Foveon X3 image sensors to that in the Sigma SD14 DSLR and launched in 2012 the Sigma SD1 Merrill, Sigma DP2 Merrill and Sigma DP1 Merrill using a 23.5 x 15.7 mm sensor.
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