Thanks for the info. I eventually gave up and bought the Canon RF16 F2.8. This is cheap and small and works well. However, I now believe that the memory in the Samyang in which is stored the firmware is faulty. If I reload the firmware the lens works...
I am amazed... I guess I shall in future buy only from Canon. I still have an FTb from 1974 which works perfectly. I have used Canon cameras and lens on top of mountains at 20'000 feet, in the Arctic and in the desert. They have never once failed to ...
It is possible to update the lens firmware at home in a few minutes if you buy the USB interface. I expect that this would be both simpler and cheaper than flying to South Korea!
I note that the Samyang 14mm F2.8 is in principle fully compatible with the R series and has auto-focus. This may not be the case for the 85mm. However, I found that by loading the latest firmware version into the lens it worked correctly, but only f...
I bought the Samyang because at the time there was no equivalent made by Canon. However, as I have read, Canon does not seem to encourage third-party equipment, whilst other camera manufacturers regard having third-party lens available makes their pr...
