OM SYSTEM OM-5 Mark II vs Panasonic LUMIX GH7
Better figure, where one is clearly better
| OM SYSTEMOM-5 Mark II | PanasonicLUMIX GH7 | |
|---|---|---|
| Overview | ||
| Released | July 2025 | July 2024 |
| Image and sensor | ||
| Camera type | Mirrorless | Mirrorless |
| Sensor format | Four Thirds | Four Thirds |
| Sensor type | Live MOS | BSI CMOS |
| Sensor dimensions | 17.4 × 13 mm | – |
| Effective resolution | 20.4 MP | 25.2 MP |
| Largest image | 5184 × 3888 | 5776 × 4336 |
| RAW recording | Yes | Yes |
| Standard ISO range | 200–25600 | 100–25600 |
| Sensor detail | Maker Japan specifies approximately 20.37 effective and 21.77 total megapixels, rounded to 20.4 and 21.8 in UK table. Japan gives 17.4×13 mm image area; UK gives 17.3×13 mm | Four Thirds-type backside-illuminated CMOS, 25.2 million effective and 26.5 million total pixels; native 4:3 stills 5776×4336. High-resolution composites 11552×8672 remain separate from native resolution |
| Image formats | JPEG and 12-bit losslessly compressed ORF RAW; ordinary output 5184×3888. Tripod composite RAW 10368×7776 needs OM Workspace for 80 MP development; handheld composite 50 MP, rather than an 80 MP single-shot sensor | JPEG and RAW; Fine/Standard JPEG and RAW+JPEG choices |
| ISO detail | Manual ISO 200–25600, expanded LOW approximately 64 and 100; default Auto upper limit 6400 (maker Japan) | Standard stills ISO 100–25600; expanded ISO 50; V-Log and other video profiles use different ranges. Maker V-Log claim 13+ stops at sensor output up to 60 fps and 12+ stops above 60 fps; no measured stills range inferred |
| Image processor | TruePic IX | – |
| Lens and shooting | ||
| Lens mount | Micro Four Thirds | Micro Four Thirds |
| Stabilisation | Lens and sensor shift | Lens and sensor shift |
| Maximum continuous burst | 30 fps | 75 fps |
| Autofocus | Hybrid sensor phase/contrast, 121 cross-type phase positions; face/eye recognition and Starry Sky AF, without animal/vehicle subject recognition (both reviews) | Phase Hybrid AF using phase and contrast detection; human, animal, car, motorcycle, train and aircraft recognition; −4 to 18 EV at ISO 100, f/2 and AFS under maker conditions; no automatic subject-type selection (Amateur Photographer) |
| Shutter | Mechanical 1/8000–60 seconds; electronic 1/32000–60 seconds; Bulb and Live Composite modes | Mechanical 60–1/8000 second and Bulb to approximately 30 minutes; electronic first curtain 60–1/2000; electronic 60–1/32000 with Bulb to approximately 60 seconds |
| Burst detail | Electronic 30 fps fixes focus/exposure at first frame; approximately 10 fps electronic tracking and 6 fps mechanical. Maker Japan example 30 fps buffer 19 RAW/21 JPEG with specified KIOXIA card and 12–40mm F2.8 PRO II; UK examples differ | Full-resolution electronic 75 fps AFS/MF with focus fixed, 60 or 20 fps AFS/AFC/MF; pre-burst options at these speeds. Mechanical 14 fps AFS/MF or 10 fps AFC; electronic first curtain 14/9 respectively. SH buffer 190 RAW/JPEG frames; normal bursts 215 RAW with CFexpress or 200 with SD under maker conditions. Dynamic Range Boost does not operate during SH bursts |
| Stabilisation detail | Five-axis sensor shift; maker CIPA 2024 up to 6.5 centre/5.5 corner stops with 12–45mm F4 PRO at 45mm. Sync IS up to 7.5/6.5 with 12–100mm F4 IS PRO at 100mm and half-press IS off | Five-axis sensor-shift B.I.S. and compatible Dual I.S.2, each maker rated 7.5 stops under CIPA yaw/pitch conditions; B.I.S. uses H-ES12060 at 60 mm, Dual I.S.2 H-FSA14140 at 140 mm. Electronic video IS is separate. Maker 7.5-stop figure retained over Digital Camera World's conflicting 6.5-stop specification |
| Exposure controls | PASM and computational-photography CP button; Live ND2–16, focus stacking, HDR and multiple exposures; mode, ISO, shutter, flash and compatible-lens restrictions apply | – |
| Video | ||
| Highest video resolution | 4096 × 2160 at 24 fps | 5760 × 4320 at 29.97 fps |
| Video detail | Internal C4K 4096×2160 at 24p; UHD 3840×2160 at 30/25/24p; H.264 MOV, 8-bit recording (Amateur Photographer). FHD high-speed 120 fps is separate; OM-Log400 and OM-Cinema1/2 profiles | Internal 5760×4320 4:3 open-gate HEVC 4:2:0 10-bit up to 29.97p; 5728×3024 17:9 up to 59.94p; C4K up to 119.88p. Internal ProRes RAW HQ/RAW and ProRes 422 options have format/media restrictions. High-resolution/ProRes/HFR modes retain temperature limits; maker's unlimited-recording claim is C4K/60p or lower and remains battery/media dependent. HDMI 8K is still-image playback only, not recorded video. ARRI LogC3 requires separately purchased DMW-SFU3A activation |
| Audio | Internal stereo microphones, external 3.5 mm microphone input; 48 kHz/16-bit or 96 kHz/24-bit recording | Stereo microphone; MOV LPCM up to 96 kHz/24-bit, built-in microphone limited to 48 kHz; optional DMW-XLR2 enables 32-bit float, with channel/sample-rate restrictions. Digital Camera World did not test the XLR2 adapter |
| Screen and viewfinder | ||
| Viewfinder | Electronic | Electronic |
| Screen size | 3″ | 3″ |
| Screen dots | 1,037,000 | 1,840,000 |
| Touchscreen | Yes | Yes |
| Tilting screen | Yes | Yes |
| Display detail | Fully articulated touchscreen; UK table 1.037 million dots, Japan rounds to 1.04 million | Three-inch 3:2 capacitive touchscreen, approximately 1.84 million dots and 100% coverage; tilt/free-angle articulation. Maker three-inch figure retained over Digital Camera World's conflicting 3.2-inch description |
| Viewfinder detail | OLED approximately 2.36 million dots, approximately 100% coverage; maximum 1.37× with 50mm lens at infinity at −1 dioptre depends on finder style | 0.5-inch OLED, approximately 3.68 million dots, 100% coverage; 1.6× optical magnification, equivalent to 0.8× in 35 mm terms, at maker's 50 mm/infinity/−1 dioptre/4:3 conditions |
| Connections and design | ||
| Wi-Fi | Yes | Yes |
| Bluetooth | Yes | Yes |
| Battery life (maker's claim) | 310 photographs | 360 photographs |
| Body weight | 370 g (better) | 721 g |
| Release detail | Maker US release confirms early July 2025 retail; Japan 18 July local date. Earliest worldwide day unconfirmed, so month precision retained | Maker UK specifies end of July 2024 availability, retained at month precision; Japan maker specifies 26 July 2024, qualified as that region's date |
| Recording media | One SD/SDHC/SDXC slot, UHS-I and UHS-II | One CFexpress Type B slot and one SD/SDHC/SDXC UHS-II slot, including V90; external USB SSD recording available for supported modes |
| Ports | USB 2.0 Hi-Speed Type-C without USB PD, micro-HDMI Type D, 3.5 mm microphone and 2.5 mm remote socket (maker Japan). UK USB 3 heading does not establish USB 3 transfer speed | USB-C 10 Gbps with charging/power supply, full-size HDMI Type A, 2.5 mm remote and 3.5 mm microphone/headphone sockets; flash-sync terminal doubles as TC IN/OUT through included BNC converter |
| Wireless connections | Wi-Fi b/g/n and Bluetooth Low Energy 5.2 (maker Japan); UK Bluetooth 4.2 table conflicts. Smartphone location tagging, rather than built-in GPS | Wi-Fi 2.4 GHz 802.11b/g/n and 5 GHz 802.11a/n/ac; Bluetooth Low Energy 5.0; Japan channel ranges not assumed identical globally |
| Battery life detail | BLS-50; 310 standard or 640 low-power CIPA shots with specified KIOXIA card. Approximately 60 minutes CIPA video or 100 minutes with other operations disabled; recording limited by card, battery and conditions | DMW-BLK22; CIPA 360 LCD/EVF shots with SD or 330 with CFexpress, using H-ES12060. Specified one-second power-save EVF mode approximately 850 with SD or 750 with CFexpress |
| Charging | In-camera USB charging with power off; USB power supply supported, but no USB Power Delivery. Charger not supplied | In-camera USB charging and power supply; supplied DC-type battery charger in Japan package |
| Dimensions | Approximately 125.3×85.2×52 mm excluding protrusions (maker Japan and US launch); UK table gives conflicting 49.7 mm depth | Approximately 138.4 × 100.3 × 99.6 mm, excluding protrusions |
| Weight detail | Maker Japan 370 g body only or 418 g with battery/card and without eyecup; UK body-only table gives conflicting 366 g. Photographed kit lens excluded | Maker 721 g body only, 805 g with battery and one SD card; lens excluded |
| Materials | IP53 with specified IP53 lens, IPX1 with IPX1 lens; weather qualification excludes charging and HDMI. Operation −10 to 40°C; not an immersion rating | Dust/splash-resistant body; maker operating range −10 to 40°C with cold-temperature battery and compatible-lens restrictions; no waterproof rating inferred |
| In the box | – | Japan maker lists eyecup, hot-shoe cover, sync-terminal cover, battery, DC-type battery charger, TC IN/OUT BNC converter cable, shoulder strap and body cap; regional contents may vary |
| Colours | Black, silver and sand beige; kit availability varies by region | – |
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