Body Construction | Magnesium-composite alloy with all-round weatherproofing | Similar but without Thixomolding® fabrication standards |
Sensor | Olympus-designed 10-megapixel high-speed LiveMOS (LMOS) | Kodak KAF-5101C 5-megapixel Full-Frame Transfer CCD |
Image Processor | Olympus TruePic III with 12-bit RGB processing | Digital ESP with 12-bit RGB processing |
Exposure Management | Wider and improved dynamic range now capable of -2EV at ISO 100; Advanced Shadow Adjustment Technology (SAT) | |
Exposure Metering | TTL centre-average, ESP, Spot, Spot+Hilight, Spot+Shadow; multispot up to eight readings, 49-zone ESP multi-metering pattern | Similar but no Hilight/Shadow function; 3-zone ESP multi-metering pattern |
Noise Performance | Significantly lower at high ISO settings with advanced noise reduction algorithm | |
Focusing System | In-camera 11-point crosshair AF sensors; central sensors are f2 capable; phase error-detection passive AF system; AF points automatically and manually selectable; compatible in use with Supersonic Wave Drive (SWD) in-lens AF lenses (fastest in class); mechanically-linked manual focusing override; modes include S-AF, S-AF+M, C-AF, C-AF+M and MF | In-camera 3-point AF sensors; phase error-detection passive AF system; AF points automatically and manually selectable; S-AF, C-AF and MF modes; focus-by-wire manual focusing; manual focus after AF Lock is available; SWD feature not optimised for use with E-1 but lenses can be used otherwise |
Maximum Shutter Speed | 1/8000 sec; flash sync at 1/250 sec with FL-series flash units and 1/320 sec with Olympus OM T-series and non-Olympus flash units | 1/4000 sec; flash sync speed of 1/180 sec only |
Image Stabilisation | In-camera two-way +5 step compensation via Supersonic Wave technology gyro sensors | Custom-delay ‘Anti-Shock’ mirror-lockup feature; no built-in Image Stabilisation gyros |
Dust Removal | Improved and modified Supersonic Wave Filter (SSWF) cleans sensor at start-up (owing to in-camera I.S. mechanism) | Supersonic Wave Filter (SSWF) cleans sensor at start-up |
Viewfinder | Optical with 1.0X coverage and improved 1.15X over-compensating magnification; built-in diopter enhanced by optional DE-1/DE-2 diopter-equipped eyecups for greater range | Image magnification at 0.96X only; full diopter eye correction range within finder piece; eyecups have no correction ability |
Finder Type | Solid glass optical prism with more forward angle and higher refractive index and specially coated | |
LiveView Implementation | Side-hinge twistable arm articulating with 176o all-round viewability; fully active-AF LiveView mode with fast mirror return response | No LiveView |
Flash Management | In-camera pop-up flash at GN14 (ISO 100) with ±2 EV intensity compensation; in-camera infrared wireless transceiver for remote cable-free flash compatibility with new range of flash units (FL36R and FL50R); built-in flash modes and settings; off-camera PC-sync and TTL-Auto cable socket connector | No pop-up flash; off-camera PC-sync and TTL-Auto cable socket connector |
LCD Panel | 2.5-inch HyperCrystal with 170-degree viewing angle | 1.8-inch 134,000 pixel LCD with anti-reflective coating |
Storage Media Support | Two card slots available; CompactFlash Types I and II with very high write speeds and xD-Picture Card; internal card-to-card copy transfers possible; USB 2.0 and IEEE 1394 cable support | Two card slots available; CompactFlash Types I and II with very high write speeds and xD-Picture Card; internal card-to-card copy transfers possible; USB 2.0 and IEEE 1394 cable support |
Battery Type | BLM-1 lithium-ion | Same |