In this technical comparison between the OM System OM-1 Mark II and the Sony Alpha 1 II, we analyze the key features to help you choose.
Choosing between these two Cameras models often comes down to your budget, with prices around $2,399 / £2,199 and $6,499.99 USD.
| Specifications |
OM System OM-1 Mark II |
Sony Alpha 1 II |
|---|---|---|
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| Launch | ||
| Version | January 2024 | December 2024 |
| Body | ||
| Dimensions | 134.8 x 91.6 x 72.7 mm | 136.1× 96.9× 82.9 mm |
| Weight | Approx. 599g (with battery and card); 511g (body only) | 743g (with battery and card) / 658g (Body only) |
| Mount | Micro Four Thirds | Sony E-mount |
| Weather sealing | IP53 rated (Superior protection against dust and splashes); Freezeproof to -10°C | Yes (Enhanced dust and moisture resistance; inherits a9 III body design) |
| Sensor | ||
| Type | Stacked BSI Live MOS | Stacked BSI Exmor RS CMOS with dedicated AI Processing Unit |
| Size | Four Thirds (17.4 x 13.0 mm) | Full-frame (35.9× 24.0 mm) |
| Resolution | 20.4 Megapixels | 50.1 Megapixels |
| ISO range | 200–25,600 (Extended: 80–102,400) | 100 - 32,000 (Stills expandable to 50–102,400) |
| Stabilization | 5-axis In-body (IBIS) up to 8.5 stops (World-leading compensation) | 5-Axis In-Body Image Stabilization (IBIS); 8.5 stops (Center) / 7.0 stops (Periphery) |
| Display & Viewfinder | ||
| Rear screen | 3.0-inch Fully Articulated Touch LCD; 1.62M dots | 3.2-inch 4-axis Multi-angle Touchscreen LCD (2.1M dots) |
| Viewfinder | 5.76M-dot OLED EVF; 0.83x magnification; 120fps refresh; blackout-free | 0.64-type QXGA OLED EVF (9.44M dots), 0.90x magnification, up to 240 fps refresh rate |
| Autofocus | ||
| AF Points | 1,053 points (All Cross-type) | 759 points (Phase-detection) covering 92% of the sensor |
| AF System | Cross Quad Pixel Phase Detection AF | Fast Hybrid AF with AI-based Real-time Recognition |
| Eye AF | Yes (Human, Animal, Bird, Car, Train, Airplane, and Motorcycle detection; significantly improved over the Mark I) | Humans (improved by 30%), Animals, Birds, Insects, Cars, Trains, and Airplanes |
| Photo | ||
| Continuous shooting | 10 fps (Mechanical); up to 120 fps (Electronic S-AF); 50 fps (Electronic C-AF) | Up to 30 fps (Electronic Shutter) with full AF/AE tracking; 10 fps (Mechanical) |
| Formats | RAW (now supports 14-bit in High-Res modes), JPEG --- Computational Modes: Live GND (Graduated ND), Live ND (up to ND128), 80MP Tripod High-Res, 50MP Handheld High-Res | RAW (Compressed/Lossless/Uncompressed), JPEG, HEIF (4:2:0 / 4:2:2) --- Pre-Capture (up to 1 sec), Speed Boost, 199MP Pixel Shift Multi Shooting |
| Video | ||
| Max Resolution & FPS | 4K (DCI/UHD) up to 60p; Full HD up to 240p | 8K at up to 30p; 4K at up to 120p (10-bit 4:2:2) |
| Bit-depth | 10-bit internal (H.265); 12-bit RAW output via HDMI | 10-bit internal; 16-bit RAW output via HDMI |
| Mic / Headphone ports | 3.5mm Mic jack / 3.5mm Headphone jack | Yes (3.5 mm for both); supports 4-channel audio via Multi Interface Shoe |
| HDMI output | Micro-HDMI (Type D) | Full-size HDMI (Type-A) |
| Storage | ||
| Card slots | Dual slots | Dual Slots (Both slots are hybrid) |
| Type | Both slots are SD/SDHC/SDXC (UHS-II) | CFexpress Type A or SD (UHS-I/UHS-II) |
| Connectivity | ||
| Wi-Fi | Yes | Wi-Fi 5 (802.11ac) 2x2 MIMO |
| Bluetooth | Yes | Bluetooth 5.0 |
| USB / HDMI | USB-C (Supports Power Delivery and UVC/UAC webcam mode natively) | USB-C (USB 3.2 Gen 2, 10Gbps) / Full HDMI / 2.5G Ethernet (RJ45) |
| Battery | ||
| Model | BLX-1 | NP-FZ100 |
| CIPA shots | Approx. 500 shots (Normal) / 1,010 shots (Quick Sleep Mode) | Approx. 420 shots (EVF) / 520 shots (LCD) |
| USB charging | Yes (USB-PD supported) | Yes (USB-PD Power Delivery supported) |
| Misc | ||
| Inside the box | Camera body, BLX-1 battery, USB-AC adapter (F-7AC), USB cable, Shoulder strap, Cable clip | Alpha 1 II Body, NP-FZ100 Battery, BC-ZD1 Dual Battery Charger, USB-C Cable, Shoulder Strap, Two Eyecups (Standard & Deep) |
| Price | $2,399 / £2,199 | $6,499.99 USD |
| Full Details | OM-1 Mark II - Full Specifications | Alpha 1 II - Full Specifications |