Minolta brand film SLR is well-known, including Canon and Nikon, and its first AF SLR a7000 has been included in the history of SLR development. In the era of digital cameras, Minolta merged with Konica, named Konica Minolta, and launched a unique A-series digital SLR. The famous a7D has good performance, and even designed a prototype a9D of Quan Huafu digital SLR. Later, Minolta's camera division was acquired by Sony, which produced Quan Huafu a900 and a850, and the original a7D was renamed a700, as well as low-end a200 and a400 series digital SLR. At that time, Sony SLR lens continued Minolta's bayonet. There is no pure Minolta brand digital SLR, but there are many kinds of film SLR. China Shanghai Camera Factory also introduced a production line to produce Minolta x300 film SLR.