Pentax ME-F ME-F Manual - Page 21
th-second
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"M" (Manual): This is the ME•F's extremely convenient electro-touch manual exposure whereby you choose your desired shutter speed simply by pressing either of two push buttons. Whereas shutter speeds vary continuously in the "AUTO" mode, with the shutter dial set to "M," you may freeze the shutter speed at any one of fourteen viewfinder shutter speed settings. (See "MANUAL EXPOSURE AT M" - page 44). "125X": This 1/125th-second mechanical shutter speeds setting is provided primarily for flash synchronization with electronic flash units other than Pentax dedicated flash units (See page 53). As the shutter operates without batteries, it allows you to still operate the camera in case of battery failure. In this instance, set the dial to "125X" and adjust the lens aperture according to subject brightness (refer to the exposure guide lines accompanying your film). "B" (Bulb): This setting is for long exposures exceeding the 4-second maximum shutter speed range of the camera's electronic exposure system. Time exposures lasting several minutes or hours can be made at this setting (See "TIME EXPOSURES AT "B," page 51). "L" (Lock): Set the shutter dial to "L" and the shutter button may be locked while the shutter dial is cocked to prevent accidental shutter release. To disengage the lock: reset the dial to the exposure mode desired and release the shutter. • 3[ X L 12o X 8 Ll 12.-)• L M125t%'\\ X g• 17 •