Condition & contents Grading Working well. Testing Fully tested Warranty 3 month warranty Includes As Seen At a glance: Olympus T20 - vintage compact flash for Olympus OM-system film SLRs.About this accessoryThe Olympus T20 is a classic vintage flash designed for Olympus OM-system film SLRs - compact, automatic, hot-shoe mount. Works with Olympus OM film SLRs (OM-2, OM-4 etc.) for the era-appropriate OTF (off-the-film) flash metering.Build & handling Type Vintage hot-shoe flash (OM-system era) Guide number 20 (at ISO 100) Bounce No (fixed head) Power 4x AA batteries Weight Approx. 160g Works with Olympus OM-system film SLRs (OM-2, OM-4 specifically for TTL) Can mount on other cameras in manual mode only Powered by 4x AA batteries Best forA compact Olympus OM-era flash - designed to pair with OM film SLRs. OTF (off-the-film) metering on OM-2/OM-4 bodies gives genuinely automatic flash exposure. Not compatible with modern Olympus/OM System Micro Four Thirds digital bodies (different TTL protocol).Frequently asked questionsWill this work on my modern Olympus OM-D?In manual mode yes (basic hot-shoe centre-pin firing). For TTL on modern OM-D bodies, use the FL-600R, FL-900R, or FL-LM3 flashes which support current Olympus TTL protocols.