| Type |
Direct-sync, shoe-mount flash with E-TTL auto flash control (E-TTL test preflash, AF-assist beam, auto zoom head, and bounce capability) |
| Compatible cameras |
Type-A cameras (with E-TTL auto flash control)
Type-B cameras (with TTL auto flash control) |
| Flash coverage and Guide No |
See Guide No table |
| Battery life and recycling time |
See Battery Life table |
| Flash duration |
1.4ms or less. (Normal Flash) |
| Flash coverage |
Auto zoom head covers 24mm, 28mm, 35mm, 50mm, 70mm, and 105mm lenses automatically. |
| Flash modes |
(1) Normal sync
(2) High-speed sync (FP flash); Type-A Camera
(3) Test firing (with test firing button) |
| Tiltable angles |
Max. tilt angle: 90upward
Click stops: 0deg, 60deg, 75deg, 90deg |
| Exposure control modes |
(1) E-TTL auto flash(Type-A Camera).
(2) FE Lock (Type-A Camera).
(3) TTL auto flash (with EOS cameras without E-TTL auto flash capability). |
| Flash metering system |
(1) E-TTL auto flash metering with a test preflash (Type-A Camera)
(2) E-TTL auto flash partial metering with a test preflash (Type-A Camera).
(3) TTL off-the-film auto flash metering (with Type-B cameras). |
| Flash exposure compensation |
(1) Automatic flash output reduction for fill flash
(2) Enable with cameras having flash-exposure compensation capability. |
| Flash range (with 50mm f/1.4 lens at ISO 100) |
(1) With normal sync: 0.7 - 22 metres / 2.3 - 73ft
(2) With high-speed sync: 0.7 - 11.9 metres / 2.3 - 39.27ft (at 1/125 sec). |
| Sync speed |
See table (not included here) |
| Flash-ready indication |
Red pilot lamp. |
| AF-assist beam linkage and range |
Linked to centre focusing point, effective from approx. 0.7 to 10 metres / 2.3 to 33ft (in total darkness). |
| Auto power off |
Power turns off automatically after 90 sec. of non-use. |
| Power source |
(1) Four size-AA alkaline batteries (LR6 or AM-3)
(2) Four size-AA NiCd batteries (KR15 or KR51) |
| Dimensions (mm) |
75 (W) x 113.5 (H) x 103.5 (D) / 2-15/16 (W) x 4-1/2 (H) x 4-3/4 (D) |
| Weight |
270g (excluding batteries) / 9.45oz |
