Olympus E-1

Olympus E-1
Overview
TypeDigital single-lens reflex
Lens
LensInterchangeable (Four Thirds System)
Sensor/medium
SensorKodak KAF-5101C Four Thirds System FFT CCD
Maximum resolution2,560 × 1,920 (4.9 million)
Film speedISO 100-800 with 1600 or 3200 in 'ISO Boost' mode
Storage mediaCompactFlash (CF) (Type I or Type II), Microdrive compatible
Focusing
Focus modesSingle, continuous, manual
Focus areas3 auto-focus points, selectable
Exposure/metering
Exposure modesProgram, shutter-priority, aperture-priority, manual
Exposure meteringTTL, evaluative (ESP), center-weighted, spot
Metering modesESP multi patterned, Center-weighted average (60%), Spot (2%)
Shutter
ShutterFocal-plane shutter, all speeds electronically controlled
Shutter speed range1/4,000 to 60 s, bulb up to 8 minutes
Continuous shooting3.0 frame/s, up to 12 frames in any format
Viewfinder
ViewfinderOptical TTL with pentaprism 100% field of view
General
LCD screen1.8 inch TFT LCD, 134,000 pixels
BatteryOlympus BLM-1 1500mAh Lithium-ion battery
Weight23 oz (650 g) without battery or storage card
Made inJapan

The Olympus E-1, introduced in 2003, was the first DSLR system camera designed from the ground up for digital photography This contrasts with its contemporaries which offered systems based on reused parts from previous 135 film systems, modified to fit with a sensor size of APS-C.