This manual explains important safety instructions for the Olympus FL‑40 flash, including warnings about electric shock, fire hazards, and proper battery handling. It advises never to open the unit, to keep it away from moisture, and to have any service performed by qualified Olympus service personnel. Battery information, loading procedures, and storage recommendations are detailed, with emphasis on using four AA batteries (alkaline or Olympus‑brand Ni‑MH) and avoiding non‑recommended battery types.
Operational sections cover mounting the flash on compatible Olympus cameras, selecting flash modes (TTL AUTO, R‑TTL AUTO, AUTO, MANUAL), using bounce and wide‑panel accessories, and adjusting illumination angles. The specifications list guide numbers, illumination angles, flash duration, maximum flash count, charge times, power supply, dimensions, weight, and environmental limits, helping users achieve optimal lighting results.
| Type | Extension flash for digital still cameras |
|---|---|
| Guide Number (Tele zoom) | 40 |
| Guide Number (Wide zoom) | 26 |
| Guide Number (Wide‑angle) | 18 |
| Illumination Angle (Wide zoom) | 58° vertical, 70° horizontal |
| Maximum Flash Count (Alkaline AA) | ≈100 |
| Required Charge Time (Alkaline AA) | ≈10 s |
| Power Supply | 1.8 V AA alkaline batteries ×4 (also runs on Ni‑MH/Ni‑Cd) |
| Size | H182 mm × W77 mm × D116.5 mm |
| Weight (without batteries) | 350 g |
After about 20 successive full‑power emissions, stop using the flash for at least 10 minutes to allow the flash tube to cool.
Close‑range shooting works from approximately 1.5 m (4.9 ft); the flash can reach up to about 3 m (8.8 ft) or 7 m (23 ft) depending on the camera.