Olympus
Olympus PEN E-P1
Provisional entry — research in progress
This page was generated automatically from cited public sources and hasn't completed the full research pass yet. Every specification shown carries its source; more detail is added as research completes.
The Olympus PEN E-P1 is a mirrorless interchangeable-lens digital camera. The Olympus PEN E-P1 uses the Micro Four Thirds lens mounting system. The Olympus PEN E-P1 was released in 2009.[1][2]
Produced
2009–
Optics
Micro Four Thirds (MFT)[3]
What it is
The Olympus PEN E-P1 is a digital interchangeable-lens camera that uses the Micro Four Thirds lens mount. The Olympus PEN E-P1 was introduced as the first mirrorless interchangeable-lens digital camera in the Micro Four Thirds system standard.[1][2]
The Olympus PEN E-P1 belongs to the camera class that uses an imaging sensor, interchangeable lenses, and electronic capture of still images and video. The Olympus PEN E-P1 was released in the digital PEN line as a compact system camera rather than a single-lens reflex body.[1][2]
How it works
The Olympus PEN E-P1 uses a 12.3 megapixel Live MOS sensor in the Micro Four Thirds format. The Olympus PEN E-P1 records still images in RAW and JPEG formats and records video in MJPEG-formatted AVI at 1280 x 720 resolution.[1]
The Olympus PEN E-P1 has no built-in optical viewfinder. The Olympus PEN E-P1 uses a 3-inch LCD screen for composition and preview, and an optional hot-shoe-attached external viewfinder was offered.[1]
Where it fits in the process flow
Why won't it start?
Documented failure modes, common issues, and field considerations.
- No built-in optical viewfinder
- No built-in flash
What do the numbers mean?
Optics & imaging5
Configuration & options9
Vintage & configurations
- 2009Production start[1]
The Olympus PEN E-P1 was released in 2009.
Documented models & variants
| Designation | Generation | Vintage | Changes | Source |
|---|---|---|---|---|
| Olympus PEN Lite E-PL1 | — | — | Cheaper option compared to the E-P1 | en.wikipedia.org[3] |
What replaced it?
Related models
- successorOlympus Olympus PEN Lite E-PL1— The Olympus PEN E-P1 is stated as the first Olympus-branded MFT camera before the Olympus PEN Lite E-PL1.source[3]
Where are the manuals?
Generated from public-source data on file. Enter your email to access — nothing is published; details are routed privately.
Not publicly documented
Field notes
No research found yet — worked with this tool? Share what you know.
Frequently asked questions
What lens system does the Olympus PEN E-P1 use?
The Olympus PEN E-P1 uses the Micro Four Thirds lens mounting system.[1]
What sensor does the Olympus PEN E-P1 use?
The Olympus PEN E-P1 uses a 12.3 megapixel Live MOS sensor in 4/3-inch format.[1][2]
Does the Olympus PEN E-P1 have a built-in optical viewfinder?
The Olympus PEN E-P1 does not have a built-in optical viewfinder.[1]
What video format does the Olympus PEN E-P1 record?
The Olympus PEN E-P1 records video in 1280 x 720 resolution and stores it in an MJPEG-formatted AVI container.[1]
What memory cards does the Olympus PEN E-P1 use?
The Olympus PEN E-P1 records media to SD and SDHC flash memory cards.[1]
Not publicly documented
The following facts about the Olympus PEN E-P1 are absent from this record as of this revision. First-hand knowledge or a citation closes a gap; every submission is reviewed before publication.
The control-system platform and OS era of the Olympus PEN E-P1 are not on record.
Answerable by: an engineer who operated it or OEM installation records
The process node or technology generation of the Olympus PEN E-P1 is not on record.
Answerable by: an OEM datasheet or a fab qualification report
No publicly documented compatible parts, consumables, or accessories for the Olympus PEN E-P1 are on record.
Answerable by: an OEM parts catalog or a service engineer
No publicly hosted manuals, SOPs, or datasheets for the Olympus PEN E-P1 are on record.
Answerable by: university cleanroom staff or an OEM application specialist
Sources & citations
Sources (4)Every fact above is drawn from these public sources
- [1]camera-wiki.org — camera-wiki.orgcamera-wiki.org
- [2]om-digitalsolutions.com — om-digitalsolutions.comom-digitalsolutions.com
- [3]en.wikipedia.org — en.wikipedia.orgen.wikipedia.org
- [4]Amazon.com : Olympus PEN E-P1 12 MP Micro Four Thirds Interchangeable Lens Digital Camera with 14-42mm f/3.5-5.6 Zuiko Digital Zoom Lens (Silver Body/Black Lens) : Compact System Digital Cameras : Electronics — amazon.comamazon.com
Last updated Oct 12, 2026.