Pentax K-5 Silver K-5 K-5 manual - Page 123

Shooting Functions 121 Locking the Exposure Before Shooting (AE Lock) AE Lock is a function that locks the exposure prior to taking a picture. Use this when the subject is too small or is backlit and a proper exposure setting cannot be obtained. 1 Set the exposure and press the L button. The camera locks the exposure (brightness) at that instant. @ is displayed in the status screen and viewfinder while the AE Lock is engaged. 4 • The exposure remains locked as long as the L button is kept pressed or the shutter release button is kept pressed halfway. The exposure remains locked for twice the amount of the exposure metering timer (p.118) even after taking your finger off the L button. • You will hear a beep when the L button is pressed. The beep can be turned off. (p.288) • AE Lock is not available in B (Green), p (Bulb) or M (Flash X-sync Speed) mode. • When any of the following operations are performed, AE Lock is canceled. - the L button is pressed again - the Q button, 3 button or M button is pressed - the mode dial is turned - the lens is changed - a lens with an s (Auto) position is set to a position other than the s position • The combination of shutter speed and aperture value changes depending on the zooming position even while the AE Lock is engaged when using a zoom lens whose maximum aperture value varies depending on the focal length. However, the exposure value does not change and a picture is taken at a brightness level set when the AE Lock is activated. • The exposure can also be locked when the focus is locked. Set in [5. AE-L with AF Locked] of the [A Custom Setting 1] menu. (p.131) Changing the Exposure Automatically when Shooting Auto Bracketing is a function for continuously shooting images with the exposure automatically adjusted for underexposure and overexposure. Each time the shutter release button is pressed, 2, 3 or 5 shots are taken. Refer to "Shooting while Adjusting the Settings (Auto Bracketing)" (p.157).