Originally posted by sibyrnes Does anyone find the mirror lock up with remote a little awkward to use? After taking the photo I press the shutter release to exit that mode, but it hesitates and sometimes I have to push it again. It appears that I must exit the mode to make any exposure changes between shots. Also, since mirror lock up is not available with live view, does that mean when using live view the mirror is automatically locked up? The manual is not very clear on these issues. Any thoughts?
I have used MUP for nearly 95% of my landscape images for the last 10 years.
Mirror Lock-up functions like this:
After selecting exposure settings, you depress the remote trigger once to lock up the mirror. The camera then beeps (if audible signals are selected in menus), but it WILL NOT capture an image until..... Upon depressing the remote trigger a SECOND time, the image is captured. (You can also substitute a shutter button press for a remote trigger, but that defeats the purpose of the MUP mode). Once the image is captured, you can do anything you want. I will check my histogram and make changes as needed. BUT do NOT press the shutter or remote!
Originally posted by sibyrnes After taking the photo I press the shutter release to exit that mode, but it hesitates and sometimes I have to push it again
What you have done in the above is begin the two stage sequence for capturing ANOTHER image
If you have depressed the remote only once in the sequence, the only way to abort is to turn off the camera, or complete the sequence with a second trigger.
MUP does not work in live view, because the mirror is already up. I think there was a discussion in another thread at some point as to why you can't just do an image capture in live view without the mirror going down and then back up again. I don't do much live view shooting, but I've just created a work flow that exits LV before taking an image.
The 2s timer does NOT lock up the mirror prior to taking an image, so it is a different function.
MUP is designed to allow time for vibrations of the camera caused by the mirror raising to subside before taking an image. For many landscape shooters this is critical, especially in long exposures. The 2s mode would still transmit mirror vibrations because the image is captured immediately after the mirror raises. It's not JUST about tripod vibrations.
I also use MUP mode on windy days because you need to time shutter actuations between gusts on longer exposures. Others use it for staged wildlife shots from a blind.
FWIW, the 2s delay mode has a nickname in my circle, we call it "Selfie Mode". It has an entirely different purpose than MUP.