Canon AE-1 Manual page 40

Program Flash AE the moment the pilot lamp of your Speedlite 244T is ready.
The most powerful flash among all Canon
Speedlites, with a guide number of 48
(ASA 100, m) or 80 (ASA 25, ft.).
Bounce: Maximum upward tilt of 120° with detents at 0°, 60°, 75°, 90°, and 120°. 120° shift
to both left and right with detents at 0°, 60°, 75°, 90°, 105° and 120°.
Power Source: 6 C-size alkaline-manganese batteries or Ni-Cd Pack TP in the Transistor
Pack G.
Size: 99 (W) x 107 (D) x-245 (H)mm (2-7/8" x 4-1/4" x 9-5/8").
Weight: 600g (21-3/16 ozs.) without batteries.
Speedlite 533G
Guide Number: 36 (ASA 100, m) or 60 (ASA 25 ft.).
Recycling Time: 0.2-10 sec. with alkaline manganese batteries. 0.2-5.5 sec. with Ni-Cd
batteries.
Number of Flashes (on automatic): 120 - 1,200 with alkaline-manganese batteries and 55 -
555 with Ni-Cd batteries allowing 30 sec. between each firing.
Flash Duration: 1 /830-1 /50,000 sec.
Auto Apertures: f/2.8, f/5.6 and f/ 11 at ASA 100.
Auto Coupling Ranges: 2.5-12.8m at red "A" (f/2.8, ASA 100) without Adaptor. At green
"A", 1.5-6.4m and at yellow "A", 1-3.2m without Adaptor
Flash Coverage: Adequate for 35mm lens on a 35mm format. With Wide Adaptor, adequate
coverage for 20mm lens. With Tele Adaptor, covers 100mm lens.
Specifications for some popular shoe mount flash units by Canon
199A 188A
Speedlite 199A Guide Number: 30 (ASA 100, m) or 50 (ASA 25, ft.).
Recycling Time: 0.2-10 sec. with alkaline batteries and 0.2-6 sec. with Ni-Cd batteries on
auto.
Number of Flashes: More than 100 with alkaline batteries and more than 50 with Ni-Cd
batteries on auto.
Speedlite 577G
Guide Number: 48 (ASA 100, m) or 80 (ASA 25, ft.).
Recycling Time (on automatic): 0.2-18 sec. with alkaline-
manganese batteries. 0.2-7 sec. with Ni-Cd batteries.
Number of Flashes (on automatic): 100-1,000 with alkaline-
manganese batteries and 75-750 with Ni-Cd batteries allowing 30
sec. between each firing.
Flash Duration: 1/400-1/50,000 sec.
Auto Apertures: f/2.8, f/5.6 and f/11 at ASA 100,
Auto Coupling Ranges: 2.5-17m at red "A" (f/2.8, ASA 100)
without Adaptor. At green "A", 1.5-8.5m and at yellow "A", 1-
4.3m without Adaptor.
Flash Coverage: For 35mm format, covers an angle of view of
35mm lens With Wide Adaptor, adequate coverage for 20mm
lens. With Tele Adapter, covers 100mm lens.
177A 166A 155A 133A 011A