某些新老相机的sdk的控制方式不太一样、例如新一代微单r100的sdk和单反的600d的sdk在控制上有些需不同，如您在拍摄中发现无法拍照的情况、请更换sdk尝试解决。
1.压缩包解压后把这两个dll文件复制替换到软件文件夹上
以下型号相机:（r100起）
EOS R1, EOS R5 Mark II, EOS R100, EOS R8, EOS R50, EOS R6 Mark II, EOS R7, EOS R10, EOS R5 C, EOS R3, EOS Kiss M2 / EOS M50 II, EOS R5, EOS R6, EOS Kiss X10i / EOS REBEL T8i / EOS 850D, EOS-1D X Mark III, EOS M200, EOS 90D, EOS M6 Mark II, EOS Kiss X10 / EOS REBEL SL3 / EOS 250D / EOS 200D II, EOS RP, EOS R, EOS Kiss M / EOS M50, EOS REBEL T100 / EOS 4000D / EOS 3000D, EOS Kiss X90 / EOS REBEL T7 / EOS 2000D / EOS 1500D, EOS-1D X Mark II, EOS-1D X, EOS-1D C, EOS 7D Mark II, EOS 6D Mark II, EOS 6D, EOS 5DS R, EOS 5DS, EOS 5D Mark IV, EOS 5D Mark III, EOS 80D, EOS 9000D / EOS 77D, EOS 8000D / EOS REBEL T6s / EOS 760D, EOS Kiss X9i / EOS REBEL T7i / EOS 800D, EOS Kiss X9 / EOS REBEL SL2 / EOS 200D, EOS Kiss X8i / EOS REBEL T6i / EOS 750D, EOS Kiss X80 / EOS REBEL T6 / EOS 1300D, EOS M100, EOS M6, EOS M5, EOS M3, EOS M10
以下型号相机:（1500d起）
EOS 7D Mark II, EOS Kiss X70 / EOS REBEL T5 / EOS 1200D / EOS Hi, EOS M2, EOS 70D, EOS Kiss X7 / EOS REBEL SL1 / EOS 100D, EOS Kiss X7i / EOS REBEL T5i / EOS 700D, EOS-1D C, EOS 6D, EOS M, EOS 60Da, EOS Kiss X6i / EOS REBEL T4i / EOS 650D, EOS 5D Mark III, EOS-1D X, EOS Kiss X5 / EOS REBEL T3i / EOS 600D, EOS Kiss X50 / EOS REBEL T3 / EOS 1100D, EOS 60D, EOS Kiss X4 / EOS REBEL T2i / EOS 550D, EOS 7D, EOS-1D Mark IV, EOS Kiss X3 / EOS REBEL T1i / EOS 500D, EOS 5D Mark II, EOS 50D, EOS 40D, EOS Kiss F / EOS REBEL XS / EOS 1000D, EOS Kiss X2 / EOS REBEL XSi / EOS 450D, EOS-1Ds Mark III, EOS-1D Mark III