The Sigma SD1 Merrill is a professional APS-C DSLR featuring the 46 MP Foveon X3 Merrill sensor at a revised retail price, making the SD1's exceptional three-layer color capture more accessible. It retains the full weather-sealed magnesium alloy body and Sigma SA lens compatibility of the original SD1. The SD1 Merrill is the revised flagship of Sigma's SD DSLR line.
Product released: June 1, 2012
Latest firmware version
Version 1.09, released April 23, 2014
What's new in version 1.09
Accuracy of Auto Focus is improved by enhancement of the algorithm.