Mirror lock up

Mirror Lock Up
by Bob Atkins
With the exception of a couple of very special cameras (which I will deal with later), every SLR has a mirror which must be moved out of the optical path before a photograph can be taken.

Mirror lock up is another useful tool to look for. When you press the shutter release the mirror swings out of the way allowing light to reach the film. This can sometimes create vibrations which can lead to unsharp pictures.

SLR Mirror Lock Up
In SLR cameras there is a mirror set at about 45 degrees just behind your lens. This mirror is what reflects the image up into your viewfinder.

Mirror Lock Up: Depending on the camera brand you own, this feature may be found in the Shooting Menu - the one with a camera for an icon, or it may be a button or switch on the camera itself.

Mirror lock up. You would be so lucky !
On/Off switch. Move to On to make your camera work . Move to Off to make it stop. Leave it on and you will have to buy a lot of batteries.

Equivalent to 'mirror lock up' on a conventional SLR.
F: Flash Custom
Option Values / Actions Notes
Flash X-Sync ...

mirror lock-up: Mirror lock up will definitely reduce blurring in macro photography. However, with the Nikon D2X, the mirror lock up function is incompatible Nikon's Camera Control Pro (computer camera control) software.

Camera Features: Many of today's DSLRs have a feature called "Mirror Lock Up". It is great tool to help you make sure your images are tack sharp.

The solution to this problem is Mirror Lock Up (MLU), where the SLR mirror can be locked in the "up" position, vibrations can be allowed to die out, then the shutter fired.

If your camera has mirror lock up ("MLU") use it by all means.
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If your lens has a tripod collar with foot, use it to attach your camera-lens setup instead of from the camera body tripod socket.
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The Mirror Lock Up function flips the mirror to the up position and holds it there while the shutter release is depressed. When using long lenses at slow speeds, the shake caused by the quick motion of the mirror can cause noticeable camera shake.

In a retrofocus design, which is advantageously applied to wideangle lenses, the back focus is designed longer than the lens' focal length to allow clearance for the movement of the reflex-mirror (No Mirror Lock up or seperate viewing accesory ...

I prefer to shoot in Manual mode at f/8 or f/11 and 1/250sec. Check the synch speed of your camera model for correct shutter speed. I always use a shutter release and mirror lock up for macro work.

photographer be in the picture without using a long cable release or remote control. It is also great for taking macro or night shots as by not touching the camera, you eliminate the chances of camera shake. Is also good to use the "mirror lock up" ...

when I am doing wildlife photography or the like, and even then it's usually better to just use the 70-200 at 200mm, but it has really surprised me with how good it is when paired with the 70-200 and I use a tripod, cable release, mirror lock up, ...

See also: Camera, Light, Lens, Shutter, Speed