Olympus E-420 E-420 Instruction Manual (English) - Page 49

AE lock The metered exposure value can be locked with the AEL/AFL button (AE lock). Use AE lock when you want a different exposure setting from the one that would normally apply under the current shooting conditions. Normally, pressing the shutter button halfway locks both AF (auto focus) and AE (automatic exposure), but you can lock the exposure alone by pressing the AEL/AFL button. Press the AEL/AFL button at the position where you wish to lock the metering values and the exposure will be locked. The exposure is locked while the AEL/AFL button is pressed. Now press the shutter button. • Releasing the AEL/AFL button cancels AE lock.  TIPS To lock the exposure: j You can lock the metering result so that it is not canceled when the AEL/AFL button is released. g"AEL/AFL MEMO" (P. 85) To activate AE lock with a set metering mode: j You can set the metering mode for locking the exposure with the AE lock. g"AELMetering" (P. 87) AEL/AFL button 4 AE lock Exposure Viewfinder AE bracketing The camera automatically shoots a number of pictures at different exposure values for each frame. Even in conditions where correct exposure is difficult to obtain (such as a backlit subject or a scene at dusk), you can pick the picture you prefer from a selected number of frames with a variety of different exposure settings. The pictures are taken in the following order: Picture with optimum exposure, picture adjusted in - direction, and picture adjusted in + direction. e.g.) When BKT is set to [3F 1.0EV] -1.0EV ±0 Compensation value: 0.3, 0.7 or 1.0 Number of frames: 3 +1.0EV 49 EN