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Olympus PEN-F vs OM SYSTEM PEN

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

OlympusPEN-FOM SYSTEMPEN
Overview
ReleasedFebruary 2016Coming late October 2026 (Japan and North America)
Image and sensor
Camera typeMirrorlessMirrorless
Sensor formatFour ThirdsFour Thirds
Sensor typeLive MOSLive MOS
Sensor dimensions17.4 × 13 mm17.4 × 13 mm
Effective resolution20.3 MP20.4 MP
Largest image5184 × 38885184 × 3888
RAW recordingYesYes
Standard ISO range200–25600200–25600
Sensor detailApproximately 21.77 total megapixels; no optical low-pass filter; Supersonic Wave Filter dust reductionApproximately 20.37 effective and 21.77 total megapixels; 17.4×13 mm in maker Japan table. Ordinary output 5184×3888; not a stacked sensor
Image formatsJPEG, 12-bit losslessly compressed ORF RAW and RAW+JPEG; High Res Shot combines eight shifted exposures into 8160×6120 JPEG or 10368×7776 RAW, separately from ordinary native-resolution photographsJPEG and 12-bit losslessly compressed ORF RAW; handheld composite 50 MP, tripod composite up to 80 MP RAW developed with OM Workspace, not single-shot sensor resolution
ISO detailISO 200–25600; expanded LOW equivalent to ISO 80ISO 200–25600 with expanded LOW approximately 64 and 100; default Auto upper limit 6400
Image processorTruePic VIITruePic IX
Lens and shooting
Lens mountMicro Four ThirdsMicro Four Thirds
StabilisationSensor shiftSensor shift
Maximum continuous burst20 fps30 fps
Autofocus81-area contrast detection; single, continuous and tracking AF, manual focus, face and near-eye priority; touchscreen AF targeting pad, magnification and four-colour focus peakingSensor phase/contrast detection with 121 cross-type phase positions; human, cat and dog recognition for stills, face/eye detection for video; Starry Sky AF
ShutterMechanical 1/8000–60 seconds; electronic 1/16000–60 seconds; electronic first curtain 1/320–60 seconds, switching to mechanical at faster speeds; Bulb/Time up to 30 minutes and Live Composite up to three hoursMechanical 1/4000–60 seconds; electronic 1/32000–60 seconds; Bulb, Live Time and Live Composite modes
Burst detailSilent H+ electronic shooting up to 20 fps; mechanical high up to 10 fps with focus and exposure fixed at the first frame and stabilisation off; low up to 5 fps with continuous autofocus. Maker mechanical-high buffer approximately 39 RAW or 45 large-normal JPEG with specified Toshiba UHS-II card and lensElectronic high approximately 30 fps with fixed focus/exposure, low approximately 8 fps with tracking; mechanical approximately 5 fps. Maker examples at electronic 30 fps give 20 RAW/20 JPEG frames, tracking 8 fps 23 RAW/48 JPEG, with specified SanDisk card and 12–40mm F2.8 PRO II
Stabilisation detailFive-axis sensor shift, rated up to 5 CIPA stops with M.Zuiko Digital ED 14–42mm F3.5–5.6 EZ at 42 mm; compatible with Sync IS lenses. Movie M-IS1 adds electronic correction and a crop; M-IS2 uses sensor shift aloneFive-axis sensor shift; CIPA 2024 up to 5.5 stops at centre and 4.5 at edges with 14–42mm F3.5–5.6 III at 42mm
FlashNo built-in flash; supplied camera-powered FL-LM3 bounce flash, guide number 9.1 at ISO 100 or 12.9 at ISO 200; mechanical synchronisation up to 1/250 second and electronic up to 1/20 second; hot shoe and wireless RC flash control–
Exposure controlsP/A/S/M, four custom mode-dial positions, HDR, exposure and focus bracketing, Live Composite and Live Time; front Creative Dial accesses monochrome profiles, colour profiles, Art Filters and Color Creator; no in-camera focus stackingPASM, Live ND2–16, focus stacking, HDR and multiple exposure; restrictions depend on shooting mode and lens
Video
Highest video resolution1920 × 1080 at 60 fps4096 × 2160 at 24 fps
Video detailMOV H.264 Full HD 60/50/30/25/24p; 60p is 59.94 fps. ALL-I Full HD up to 30p at approximately 77 Mbps; maximum MOV clip approximately 29 minutes. 4K 5 fps is assembled time-lapse output, not ordinary 4K video; VGA high-speed capture up to 120 fpsInternal H.264 MOV C4K 4096×2160 at 24p or UHD 3840×2160 at 30/25/24p; 8-bit recording (both reviews). OM-Log400 and OM-Cinema1/2 profiles; separate FHD S&Q up to 120 fps, with crop, no sound and no continuous AF (CameraLabs)
AudioBuilt-in stereo microphone, 16-bit 48 kHz linear PCM, recording-level control and wind-noise reductionBuilt-in stereo microphones; external 3.5 mm microphone socket; 48 kHz/16-bit or 96 kHz/24-bit audio
Screen and viewfinder
ViewfinderElectronicElectronic
Screen size3″3″
Screen dots1,040,0001,040,000
TouchscreenYesYes
Tilting screenYesYes
Display detailVari-angle display with forward-facing selfie position; Japanese maker table rounds resolution to 1.04 million dots, while both reviews specify 1.037 millionFully articulated 3-inch approximately 1.04-million-dot touchscreen; touchscreen menu operation
Viewfinder detailApproximately 2.36-million-dot OLED, 100% coverage; 1.08× magnification in styles 1/2 or 1.23× in style 3 with a 50 mm lens at infinity; simulated optical-viewfinder display remains electronicOLED approximately 2.36 million dots and 100% coverage; 1.10–1.23× magnification with 50mm lens at infinity, depending on finder style
Connections and design
Wi-FiYesYes
Bluetooth–Yes
Battery life (maker's claim)330 photographs410 photographs
Body weight373 g344 g
Release detailMaker announcement scheduled Japan sale for 26 February 2016. The Society of Photographic Science and Technology of Japan's retrospective records actual February 2016 release; month precision retained because a worldwide first-sale day is not establishedMaker announcement 9 September 2026; Japan and North America scheduled for late October 2026. UK product page has an active preorder state on 2 October; first UK sale date unconfirmed
Recording mediaOne SD slot; SDHC/SDXC and UHS-I/UHS-II supportOne SD/SDHC/SDXC slot; UHS-I
PortsUSB 2.0 Hi-Speed proprietary multi-connector for USB, AV and optional RM-UC1 remote; micro-HDMI Type D and hot shoe. Photography Blog's mini-HDMI wording differs from the maker's Type D specificationUSB 2.0 Hi-Speed Type-C, micro-HDMI Type D, 3.5 mm microphone socket and hot shoe; USB-C is not a USB 3 transfer-speed claim
Wireless connectionsWi-Fi IEEE 802.11b/g/n; smartphone remote shooting, image transfer and location tagging through Olympus Image ShareWi-Fi b/g/n and Bluetooth Low Energy 5.2; smartphone GPS tagging rather than built-in GPS
Battery life detailBLN-1 rechargeable battery; approximately 330 CIPA photographs with stabilisation on and specified Toshiba SDHC card. Movie life approximately 80 minutes under JEITA conditions or 140 minutes without zoom and other operations, repeatedly recording maximum-length clipsBLS-7; approximately 410 CIPA shots using EVF or LCD; approximately 80 minutes CIPA video or 130 minutes with zoom and other operations disabled
ChargingSupplied BCN-1 external battery chargerIn-camera USB charging with camera off; no USB Power Delivery (maker Japan)
Dimensions124.8×72.1×37.3 mm, excluding protrusionsApproximately 125.8×74.5×43.3 mm excluding protrusions (maker Japan)
Weight detailApproximately 373 g body only or 427 g with supplied battery and memory card344 g body only or 393 g including battery and card (maker Japan); pictured kit lens excluded. CameraLabs pre-production dimensions and loaded weight differ
MaterialsMagnesium top and front covers, aluminium bottom cover and machined dials; synthetic leather covering. No weather sealing, reported by Photography Blog; plastic rear buttons, reported by Digital Camera WorldDust-resistant and IPX1 splash resistance with an OM SYSTEM splashproof lens; not an immersion rating. Operating temperature 0–40°C
ColoursSilver with black covering or blackBlack and silver
In the boxBody, FL-LM3 flash, BLN-1 battery, BCN-1 charger, USB cable, shoulder strap, software and documentation–

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