Olympus 3TI, Instructions Manual

Page: 83 / 112

MAIN SPECIFICATIONS OF
F280
Guide number (ft.)
Coverage angle
Number of flashes
Flash Duration
Dimensions
Weight
28 [ISO 100 meters at Normal
(92) OTF Flash]
53° vertical, 74° horizontal
80 — 6,000 with
AA-size alkaline batteries
Super FP Flash mode:
1/25 sec.
Normal OTF Flash mode:
1/40,000 — 1/1 ,000 sec.
110(H) x 68(W) x 71(D)mm
250 gr. (less batteries)
USING ELECTRONIC FLASHES
OTHER THAN THE T-SERIES
FLASH UNITS
Mount the flash on the accessory shoe.
If you are using a flash that has no direct contact,
connect the flash synchro cord to the synchro
terminal.
Set the film speed on the flash.
Set the shutter speed ring to 1 /60 sec.
If the flash has an AUTO/MANUAL switching
device, set it to either AUTO or MANUAL.
Determine the aperture and set it on the camera.
If you are using an auto flash, set the desired F
stop on the flash unit and then set the aperture
ring to this F stop.
If you are using a manual flash, calculate the
aperture by the following formula or using the
flash's calculator panel and set it with the camera's
aperture ring. (ISO 100m/ft.)
Aperture =
Flash guide number
Flash-to-subject distance (m/ft.)
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