Mirror Lock up (MLU) what is it and does the D90 have it?
What: Mirror lock-up (often abbreviated to MLU) is a feature employed in many Single Lens Reflex (SLR) cameras. It allows the operator to reduce vibration-induced motion blur during exposure. From Wikipedia, the free encyclopedia
Does the Nikon D90 have it? Unfortunately no but it does have a pretty darn good alternative. This is called Exposure Delay Mode, Page 183 of your manual. It's says, "In situations where the slightest camera movement can blur pictures, Exposure Delay Mode On can be selected to delay shutter release until about 1 second after the shutter release button is pressed and the mirror is raised".
D90 setting for Exposure Delay Mode: Custom Settings (Pencil) OK: d Shooting/display OK: d10 Exposure Delay Mode OK: On OK
I definitely see myself trying this mode next time i'm using my tripod for a landscape shot or something! Seems like a no brainier to me if I might get an even sharper photo. I've read mostly good things about how this isn't "True MLU" like some camera's have but those who have tried both say the D90's Exposure Delay Mode is a pretty good alternative to the "True MLU". What do you Think?
Illustration Courtesy Photozone
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