Specifications – Canon 577 G User Manual
Page 40
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SPECIFICATIONS
SPEEDLITE577G
Type:
Electronic computer flash with a series control
system.
Attachment:
By Canon One-Touch Bracket.
Synchronization:
By direct contact in separate sensor
unit which mounts in camera’s hot shoe. Tightened
by lock nut.
Guide Numbers:
48 (ASA 100, m), 80 (ASA 25, ft) without any adapter
28 (ASA 100, m), 46 (ASA 25, ft) with Wide Adapter
577G-24
24 (ASA 100, m), 40 (ASA 25, ft) with Wide Adapter
577G-20
63 (ASA 100, m), 100 (ASA 25, ft) with Tele Adapter
577G
Reached after pilot lamp lights up when new bat
teries are loaded.
Flash Coverage:
For 35mm format, covers an angle of
view of
35mm lens without adapters,
24mm lens with Wide Adapter 577G-24,
20mm lens with Wide Adapter 577G-20,
100mm lens with Tele Adapter 577G.
Recycling Time:
Alkaline-Manganese batteries: About 0.2-18 sec.