Canon 199 A - Manual (Page 8)

Technical Data
Type: Electronic computer flash unit with
series control system.
Attachment: Clip-on type with a directly
coupled contact. There is a lock
mechanism.
Guide numbers: 30 (ISO/AS A 100*m); 16
(ISO/AS A lOO-m with Wide Adapter
attached), after pilot lamp lights up
and flashers on and off.
Flash angle: Covers a 35mm lens on the 35mm
format. Covers a 24mm lens when the
Wide Adapter for the 199A is attached.
Recycling time:
1. When using alkaline-manganese
batteries (AM-3): approximately 10
sec. for the pilot lamp to light up
when the batteries are new.
2. When using Ni-Cd batteries: approx­
imately 6 sec. for the pilot lamp to
light up after each firing when the
condenser has been fully charged.
Number of flashes;
1. When using alkaline-manganese
batteries: 100 flashes allowing 30
sec. between each firing.
2. When using Ni-Cd batteries: 50
flashes allowing 30 sec. between
each firing.
Color temperature: Equivalent to daylight
color due to Canon’s unique green
compensator plate.
Flash duration: 1/500 sec. ~ 1/50000 sec.
Flash control system; The light bounced back
from the subject is measured and the
series control system saves unneeded
energy.