Which full-frame mirrorless camera was first available in the market?
Sony was the first to introduce a full-frame mirrorless camera, the α7, in 2013.
Sony α7 in 2013
<START_INST>Which full-frame mirrorless camera was first available in the market?<END_INST><START_CTX>Sony was the first to introduce a full-frame mirrorless camera, the α7, in 2013.<END_CTX><START_A>Sony α7 in 2013<END_A>