I tried it on a close up, and you see the pattern. Unless my memory is poor, I remember seeing the pattern on regular distance objects. With the 600, it is not visible at normal picture taking distances. I remember being able to shoot in total darkne...
Please add my concern. I have a new 600EX and a 5D3 and the performance in low light is terrible with a 24-105 F4. I got much better performance from a flash with my first rebel many years ago. On my older Canon flashes, you could see a pattern pro...
