Olympus
E-P1
The Olympus E-P1 is a mirrorless interchangeable-lens camera launched in 2009. The E-P1 features a 12.3-megapixel Micro Four Thirds sensor. The E-P1 offers an optional electronic viewfinder for a compact rangefinder-style experience.[1]
Plate 01Olympus Pen EP-1
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Produced
2009–
Optics
12.3 megapixels[1]
What it is
How it works
Applications
- Photography
What do the numbers mean?
Optics & imaging4
Dimensions & facilities2
Configuration & options10
Vintage & configurations
- 2009Production start[1]
Launch year of the E-P1
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 sensor format does the Olympus PEN E-P1 use?
The Olympus PEN E-P1 uses a Four Thirds-sized Live MOS sensor with a maximum resolution of 4032 by 3024 pixels.[3][2][4]
Does the Olympus PEN E-P1 have a built-in viewfinder?
The Olympus PEN E-P1 does not have a built-in optical or electronic viewfinder.[3][2]
What display does the Olympus PEN E-P1 use for framing and review?
The Olympus PEN E-P1 uses a 3-inch rear LCD with live preview.[3][2][4]
Not publicly documented
The following facts about the 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.
No publicly documented variants, configuration options, or revision breakpoints of the E-P1 are on record.
Answerable by: an OEM product catalog or an engineer who ordered or specified the tool
The control-system platform and OS era of the E-P1 are not on record.
Answerable by: an engineer who operated it or OEM installation records
No publicly documented failure modes or field errata for the E-P1 are on record.
Answerable by: a field service engineer, process engineer, or maintenance technician
The process node or technology generation of the 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 E-P1 are on record.
Answerable by: an OEM parts catalog or a service engineer
No research found yet — worked with this tool? Share what you know.
Sources & citations
Sources (4)Every fact above is drawn from these public sources
- [1]grokipedia.com — grokipedia.comgrokipedia.com
- [2]en.wikipedia.org — en.wikipedia.orgen.wikipedia.org
- [3]Olympus PEN E-P1 - Wikipedia — en.wikipedia.orgen.wikipedia.org
- [4]Olympus E-P1 Review | Photography Blog — photographyblog.comphotographyblog.com
Last updated Oct 12, 2026.