Canon AE-1 Manual page 42

Recycling Time: 0.5-7 sec. with alkaline batteries and 0.5-5 sec. with Ni-Cd batteries.
Number of Flashes: 250-2500 times with alkaline batteries and 80-830 times with Ni-Cd
batteries.
Flash Duration: 1/1000-1/50000 sec
Auto Apertures: f/2.8, f/5.6 at ASA 100.
Auto Coupling Range: 0.5 -7 m (1.6-22 ft.) at ASA 100
Flash Coverage: Covers 35mm lens.
Power Source: Four AA size alkaline or Ni-Cd batteries.
Size: 66 (W) x 49.5 (D) x 98 (H) mm (2-5/8" x 1-15/16" x 3-7/8").
Weight: 260g (9-3/16 ozs.) including batteries.
Speedlite 155A Guide Number: 17 (ASA 100, m) or 28 (ASA 25, ft.).
Recycling Time: 0.5-7 sec. with alkaline batteries and 0.5-5 sec. with Ni-Cd batteries on auto.
Number of Flashes: More than 300 with alkaline batteries and 90 with Ni-Cd batteries on
auto.
Flash Duration: 1/1000 - 1/50000 sec.
Aperture Choices: f/2.8 (red) and f/5.6 (green) at ASA 100, and manual.
Auto Coupling Ranges: 0.5-6m at red "A". 0.5-3m at green "A".
Flash Coverage: Covers 35mm lens.
Size: 70 (W) x 51 (D) x 105 (H)mm. (2-3/4" x 2" x 4-1/8").
Weight: 300g (10-9/16 ozs.) including batteries.
Speedlite 133A Guide Number: 16 (ASA 100, m) or 26 (ASA 25, ft.).
Recycling Time: 0.5-9 sec. with alkaline batteries and 0.5-6 sec with Ni-Cd batteries.
Number of Flashes: 100-1000 with alkaline batteries and 60-600 with Ni-Cd batteries.
Flash Duration: 1/700-100000 sec.
ASA Film Speed Switch: Two positions: ASA 80, 100 (green) and ASA 400 (orange).
Auto Coupling Ranges: 1.0 - 8.0m at orange "A". 0.5 - 4.0m at green "A".
Flash Coverage: Covers 35mm lens.
Size: 62 (W) x 37 (D) x 95 (H)mm (2-7/16" x 1-7/16" x 3-3/4")
Weight: 200g (7-1/16 ozs.) including batteries.