User Activity

Is it the 10-digit number etched into the black plastic near the SA lock switch?
I had customized my buttons on my 5D Mark III to suit my shooting style.  You can customize the 5D Mark IV but I don't see a way to set it up the way I had the Mark III which is confusing if I go from one to the other. On the Mark III I had the ISO o...
I have the 5d Mark III which has been fine shooting in the teens, but looking at the write up for 5d Mark IV I see Operating Temperature 32-104 degrees!  I don't remember seeing anything like that for the Mark III.   Does the Mark IV not do well at l...
I love this lens but having a problem with flying hawks. I got more sharp images with my old 400 5.6 with no IS. Generally I keep it in the 3rd position. I'm wondering if I should turn it off when my shutter speed is high. ..
Why does my Live View histogram differ slightly from the playback histogram, and which is more accurate?