Canon 155A

Check availablity: eBay.

This is a very compact flash originally designed for Canon's legacy FD-system. It may not work in the hot-shoe of a modern camera, but it has a two-pronged socket that accepts a Canon Synchro Cord A. This cord can be plugged into the pc sync. socket of any camera or trigger fitted with a pc sync. socket.

Two auto-thyristor apertures (f/2.8 and f/5.6 @ ISO 100).

Specifications

Generic flash.
Head: Fixed 35mm coverage.
Swivel & tilt: no.
Exposure mode: Auto.
Manual settings: 1/1 only.
No built-in wireless modes.
Trigger voltage: 8.7 volt.
Batteries: 4xAA.
Flash duration: 1/1000 sec. @ 1/1 (full output).
Field upgradable: No.
Dimensions: 70 x 105 x 51 mm, 260 g.
Guide number (ISO 100, meter): 17.

Discontinued: Yes.

For a detailed explanation of the above specifications, see the guide.

Literature

Documentation:

Brand profile

Key info

Established: 1937
HQ: Tokyo, Japan
Web: Global, EU, US, man

Canon is a multinational corporation headquartered in Tokyo, Japan specializing in the manufacture of imaging and optical products. Its products including cameras, lenses, flash units, scanners, photocopiers, printers and steppers (used in semiconductor fabrication). The company was founded in 1937 as Precision Optical Instruments Laboratory and renamed Canon Inc. in 1947.

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