Olympus E-1 E-1 Reference Manual (English) - Page 106

Non-specified commercial flashes - lenses

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Using commercially available flashes Non-specified commercial flashes Before selecting a non-specified commercial flash, be sure to read the following information carefully to determine whether or not it can be used with this camera. (1) Some flashes available on the market operate with a synchro terminal with a voltage of 250 V or over. If one of these is used, it may damage the camera, and/or the camera may not function normally. Contact the manufacturer of the flash you are using concerning the specifications of the flash's synchro terminal. (2) Some flashes available on the market have the polarity of the synchro terminal + Terminal reversed. In this case, even if the flash is connected, it will not fire. Contact the manufacturer of the flash for more information. - Terminal Polarity of the external flash connector (3) Exposures when using a flash require that adjustments be made on the flash. If a flash is used in the auto mode, match it with the F value and ISO sensitivity settings on the camera. (4) Even if the auto F value and ISO sensitivity of the flash are set to the same conditions as those on the camera, the correct exposure may not obtained depending on the shooting conditions. In such a case, adjust the auto F value or 7 ISO on the flash or calculate the distance in the manual mode. (Exposure compensation on the camera cannot be used when shooting with the flash.) Flash (5) Use a flash with an illumination angle that matches the focal length of the lens. The focal length of the lens for 35 mm film is approximately twice as long as the focal length of the lenses designed for this camera. (6) Do not use a flash unit or other accessory TTL flash that has additional communications functions other than the specified flashes, since it may not only fail to function normally, but may also cause damage to the camera's circuitry. 106

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106
Flash
7
Using commercially available flashes
Non-specified commercial flashes
Before selecting a non-specified commercial flash, be sure to read the following
information carefully to determine whether or not it can be used with this camera.
(1)
Some flashes available on the market operate with a synchro terminal with a
voltage of 250 V or over. If one of these is used, it may damage the camera,
and/or the camera may not function normally. Contact the manufacturer of the
flash you are using concerning the specifications of the flash
’
s synchro terminal.
(2)
Some flashes available on the market
have the polarity of the synchro terminal
reversed. In this case, even if the flash is
connected, it will not fire. Contact the
manufacturer of the flash for more
information.
(3)
Exposures when using a flash require that adjustments be made on the flash. If a
flash is used in the auto mode, match it with the F value and ISO sensitivity
settings on the camera.
(4)
Even if the auto F value and ISO sensitivity of the flash are set to the same
conditions as those on the camera, the correct exposure may not obtained
depending on the shooting conditions. In such a case, adjust the auto F value or
ISO on the flash or calculate the distance in the manual mode. (Exposure
compensation on the camera cannot be used when shooting with the flash.)
(5)
Use a flash with an illumination angle that matches the focal length of the lens.
The focal length of the lens for 35 mm film is approximately twice as long as the
focal length of the lenses designed for this camera.
(6)
Do not use a flash unit or other accessory TTL flash that has additional
communications functions other than the specified flashes, since it may not
only fail to function normally, but may also cause damage to the camera
’
s
circuitry.
+ Terminal
–
Terminal
Polarity of the external flash connector