Key facts
- Brand
- Olympus
- Model
- FL-40
- Documents
- 2
- Languages
- EN · JA
- Last added
- 2011-10-14
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Olympus FL-40 Electronic Flash User Manual
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.
Olympus FL-40 specifications
| 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 |
All Olympus FL-40 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
How long can the flash be used continuously before it must cool down?
After about 20 successive full‑power emissions, stop using the flash for at least 10 minutes to allow the flash tube to cool.
What is the effective shooting range of the FL‑40?
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.
Can I take pictures using other external flashes together with this flash?
No, the flash cannot be used together with other external flashes.
When is the auto check (TEST) button useful?
It is useful when using bounced lighting or a flash converter, to verify illumination before shooting.