E-1

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MountFour Thirds
Flange Back38.67 mm
Mount Diameter50 mm
SensorFour Thirds
Electronic ContactsYes
ManufacturerOlympus
Release Year2003
BatteryBLM-1 Find BLM-1 on eBay
Memory CardCompactFlash (CF)
Find CF cards on eBay

The first Four Thirds System DSLR and Olympus’s original professional flagship, built around a 5-megapixel Kodak CCD sensor in a magnesium-alloy, dust- and splash-resistant body. Introduced the Supersonic Wave Filter, the world’s first in-body ultrasonic sensor dust-reduction system.

Compatible Lenses

Native Mount — Four Thirds Lenses (28)
Via Adapter — Sony A Lenses (43) · Third-party adapters
Adapter: No Sony A to Four Thirds adapter is registered in our database yet.
Third-party adapters are available. Autofocus and electronic aperture support vary by adapter and lens, so check compatibility before buying.
Find Sony A to Four Thirds adapters on eBay
Via Adapter — Nikon F Lenses (120) · Third-party adapters
Adapter: No Nikon F to Four Thirds adapter is registered in our database yet.
Third-party adapters are available. Autofocus and electronic aperture support vary by adapter and lens, so check compatibility before buying.
Find Nikon F to Four Thirds adapters on eBay
Via Adapter — Canon EF-S Lenses (19) · Third-party adapters
Adapter: No Canon EF-S to Four Thirds adapter is registered in our database yet.
Third-party adapters are available. Autofocus and electronic aperture support vary by adapter and lens, so check compatibility before buying.
Find Canon EF-S to Four Thirds adapters on eBay
Via Adapter — Canon EF Lenses (80) · Third-party adapters
Adapter: No Canon EF to Four Thirds adapter is registered in our database yet.
Third-party adapters are available. Autofocus and electronic aperture support vary by adapter and lens, so check compatibility before buying.
Find Canon EF to Four Thirds adapters on eBay
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