Mirror Lock-up Photography* To override the multiple expo-sure mode or to return to normaloperation, be sure to return thelever’s White Dot against the whitesquare and then advance the film.(If you forget you will continue tomake multiple exposures on thesame frame.)This is an important feature when thetripod mounted camera is used atslow or long exposure times andparticularly also with use of longtelephoto lenses. It eliminates thepossibility of even the slightest “mir-ror bounce” which may affect imagesharpness.Move the Mirror look-up Lever to theyellow ”M.UP” square, after you havecomposed and focused your picture.This will raise the mirror and theviewfinder image will be blacked out.After use, return lever to normal (white*When using the AE PrismFinder, set the Shutter Speed Dialto “AEL”. Press the shutter re-lease halfway and then lock themirror up. If set to “A” and themirror is locked up, “LT” (longtime) will appear in the finder dis-play and correct exposure cannotbe obtained.* When using a Leaf Shutter Lens,be sure to read the instructionsaccompanying it.square) position.@