In depth comparison and review of Leica M and Sony Alpha7 IV ILCE-7M4. Compare design, sensors, proximity features, memory capacities and other important specifications and features to easily choose the right camera for you. Our goal is to help you uncover differences between the products and find the digital camera that will best fit your needs.
| DESIGN AND DIMENSIONS | Leica M | Sony Alpha7 IV ILCE-7M4 |
|---|
| Product Type | Digital camera - 1080p - rangefinder | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 8 cm | 9.64 cm |
| Width | 13.9 cm | 13.13 cm |
| Depth | 4.2 cm | 7.98 cm |
| Weight | 680 g | 658 g |
| Weight Details | - | Camera with battery and memory card: 658 g |
| Body Material | Synthetic leather, magnesium | Magnesium alloy |
| Enclosure Colour | Black | Silver chrome | - |
| Protection | Weatherproof, splashproof, dust-resistant | Dust-resistant, moisture-resistant |
| Digital Zoom | - | 4x |
| SENSOR | Leica M | Sony Alpha7 IV ILCE-7M4 |
|---|
| Sensor Resolution | 24.0 Megapixel | 33.0 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | Exmor R CMOS |
| Total Pixels | - | 34,100,000 pixels |
| Effective Sensor Resolution | - | 33,000,000 pixels |
| Optical Sensor Size | Full Frame (35.8 x 23.9 mm) | Full Frame (35.9 x 23.9 mm) |
| Frame Rate (Max Resolution) | - | 60 fps |
| Sensor Dust Reduction | - | Yes |
| Sensor Features | - | Dust Reduction (image sensor vibration), Anti-Dust coating |
| Image Stabiliser | - | Optical (Steady Shot with 5-axis Intelligent Active Mode) |
| Built-in Optical Image Stabiliser | - | Yes |
| Sensors | Dust alert sensor, digital level metre | Digital level metre |
| PROCESSOR | Leica M | Sony Alpha7 IV ILCE-7M4 |
|---|
| Image Processor | Leica Maestro | BIONZ XR |
|---|
| LENS | Leica M | Sony Alpha7 IV ILCE-7M4 |
|---|
| Lens Mounting Type | Leica M | Sony E-mount |
|---|
| FOCUSING | Leica M | Sony Alpha7 IV ILCE-7M4 |
|---|
| Auto Focus | - | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | - | 759 |
| Auto Focus Features | Focus Peaking function, Manual Focus Check Live View | Focus Peaking function, Predictive Focus Control |
| AE/AF Control | - | Face-priority AF, Subject-tracking AF, Touch Area AF, Zone AF, Real-time Eye AF, Real-time Tracking AF, Wide-area AF, Expanded area AF, animal eye detection, bird eye detection, right/left eye select |
| Face Detection | - | Eye Detect AF, face-priority AF function |
| VIEWFINDER | Leica M | Sony Alpha7 IV ILCE-7M4 |
|---|
| Viewfinder Type | Optical - real-image | Electronic - OLED |
|---|---|---|
| Viewfinder Colour Support | - | Colour |
| Viewfinder Diagonal Size | - | 0.5" |
| Viewfinder Resolution | - | 3,686,400 pixels |
| Optical Viewfinder Field Coverage | - | 100% |
| Optical Viewfinder Magnification | 0.68x | 0.78x |
| Optical Viewfinder Dioptric Correction Range | - | -4 to +3 |
| Viewfinder Information | Shutter speed, exposure compensation, flash charge completion | - |
| Features | Automatic parallax compensation | - |
| EXPOSURE & WHITE BALANCE | Leica M | Sony Alpha7 IV ILCE-7M4 |
|---|
| ISO (Max) | 6400 | 204800 |
|---|---|---|
| Native ISO | - | 100-51200 |
| Extended ISO (Max) | - | 204800 |
| Extended ISO (Min) | - | 50 |
| Light Sensitivity | ISO 100, ISO 200-6400 | ISO 50, ISO auto, ISO 204800, ISO 100-51200 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Multi-segment, centre-weighted, average, highlight spot |
| Exposure Metering Zones | - | 1200 |
| Exposure Modes | Bulb, manual, aperture-priority | Automatic, manual, aperture-priority, shutter-priority |
| Bracketing Modes | - | Dynamic Range Bracketing, white balance bracketing |
| Special Effects | Film Simulation | Soft Skin, Creative Look presets |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Cloudy, tungsten light, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (warm white), 2000K - 13100K | Incandescent, fluorescent, cloudy, Flash, daylight, shade, Underwater, 2500K - 9900K |
| Shutter Type | - | Mechanical electronically-controlled |
| Max Shutter Speed | 1/4000 sec | 1/8000 sec |
| Min Shutter Speed | 60 sec | 30 sec |
| Exposure Compensation | ±3 EV range, in 1/3 EV steps | ±5 EV range, in 1/2 or 1/3 EV steps |
| Auto Exposure Bracketing | 5 steps in 1/2, 1, 2, 3 EV steps | 3, 5 or 9 steps |
| X-sync Speed | 1/180 sec | 1/250sec |
| Exposure Range | - | EV -3-20 (ISO 100) |
| DISPLAY | Leica M | Sony Alpha7 IV ILCE-7M4 |
|---|
| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | - | Yes |
| Display Format | 920,000 pixels | 1,036,000 pixels |
| Display Form Factor | Built-in | Folding |
| Display Features | Contrast control | Display brightness control |
| VIDEOGRAPHY / CAMCORDER | Leica M | Sony Alpha7 IV ILCE-7M4 |
|---|
| Digital Video Format | MJPEG, MOV | MPEG-4, H.264, XAVC S, H.265, XAVC HS |
|---|---|---|
| Image Recording Format | JPEG, DNG (RAW) | JPEG, RAW, RAW + JPEG, HEIF, RAW + HEIF |
| Max Video Resolution | 1920 x 1080 | 3840 x 2160 |
| Audio Signal Format | - | Linear PCM, AAC |
| Microphone Operation Mode | Mono | Stereo |
| Microphone Features | Sensitivity control | Wind noise reduction |
| MEMORY | Leica M | Sony Alpha7 IV ILCE-7M4 |
|---|
| Memory Card Slot | SD card | SD card, CFexpress / SD card |
|---|---|---|
| Supported Memory Cards | SD Memory Card, SDXC Memory Card, SDHC Memory Card | SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card, SDHC UHS-II Memory Card, SDXC UHS-II Memory Card, CFexpress |
| Image Storage | JPEG 5952 x 3976 JPEG 4256 x 2832 JPEG 2976 x 1984 JPEG 1600 x 1080 DNG (RAW) 5952 x 3976 |
7008 x 4672 4608 x 3072 3504 x 2336 4608 x 3072 - APS-C mode 3504 x 2336 - APS-C mode 6224 x 4672 4096 x 3072 3120 x 2336 4096 x 3072 - APS-C mode 3120 x 2336 - APS-C mode 7008 x 3944 4608 x 2592 3504 x 1968 4608 x 2592 - APS-C mode 3504 x 1968 - APS-C mode 4672 x 4672 3072 x 3072 2336 x 2336 3072 x 3072 - APS-C mode 2336 x 2336 - APS-C mode |
| Video Capture | MOV - 1920 x 1080 - 25 fps MOV - 1920 x 1080 - 24 fps MOV - 1280 x 720 - 25 fps MOV - 1280 x 720 - 24 fps MOV - 640 x 480 - 30 fps MOV - 640 x 480 - 25 fps MOV - 640 x 480 - 24 fps |
XAVC HS - 3840 x 2160 p - 60 fps XAVC HS - 3840 x 2160 p - 24 fps XAVC HS - 3840 x 2160 p - 50 fps XAVC S - 3840 x 2160 p - 60 fps XAVC S - 3840 x 2160 p - 30 fps XAVC S - 3840 x 2160 p - 24 fps XAVC S - 3840 x 2160 p - 50 fps XAVC S - 3840 x 2160 p - 25 fps XAVC S - 1920 x 1080 p - 60 fps XAVC S - 1920 x 1080 p - 30 fps XAVC S - 1920 x 1080 p - 24 fps XAVC S - 1920 x 1080 p - 50 fps XAVC S - 1920 x 1080 p - 25 fps |
| BATTERY AND CHARGING | Leica M | Sony Alpha7 IV ILCE-7M4 |
|---|
| Battery Type | Lithium Ion - manufacturer-specific | Sony NP-FZ100 Lithium Ion |
|---|---|---|
| Details | Li-ion rechargeable battery - 1800 mAh (included) | Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included) |
| Battery Life | - | Photo shooting - 520 shots (EVF on) Photo shooting - 580 shots (LCD Monitor on) Video recording - 100 minutes (EVF on) Video recording - 110 minutes (LCD Monitor on) |
| CONNECTIONS | Leica M | Sony Alpha7 IV ILCE-7M4 |
|---|
| Interface | - | USB 2.0, USB-C, IEEE 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Connectivity Features | - | Remote control via mobile devices, remote live view, Wireless Image Transfer, wireless video upload to FTP server, PC Remote functions via Wi-Fi |
| Print Standard | - | Exif Print support, PRINT Image Matching |
| Flash Terminal | Hot shoe | Hot shoe |
| Connector Type | - | USB 2.0 (5 pin Micro-USB Type B) USB 3.2 Gen 1 (USB Type-C) Microphone (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) |
| FEATURES | Leica M | Sony Alpha7 IV ILCE-7M4 |
|---|
| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec, 5 sec |
|---|---|---|
| Continuous Shooting Speed | 3 frames per second | 8 frames per second, 3 frames per second, 10 frames per second, 6 frames per second |
| Additional Features | Sharpness control, saturation control | Built-in speaker, camera orientation detection, histogram display, shadow point display, highlight point display, Dynamic Range Optimizer, USB charging, Intelligent AUTO (iAUTO), fast motion recording, noise reduction over long exposures, high ISO speed noise reduction, silent shooting, BRAVIA Sync function, distortion correction function, S-Log2 gamma setting, slow motion recording, peripheral shading correction, chromatic aberration correction, anti-flicker, Hybrid Log-Gamma (HLG) recording, S-Log3 gamma setting, 4:2:2 10-bit internal rercording, simultaneous streaming & recording mode, focus breathing compensation, USB streaming, 14-bit RAW |
| OTHERS | Leica M | Sony Alpha7 IV ILCE-7M4 |
|---|
| Included Accessories | Carrying strap, battery charger, body cap, power cable, shoe cap | Eyepiece cover, body cap, shoulder strap, AC power adaptor, shoe cap, USB-C to USB-A cable |
|---|---|---|
| Software | Adobe Photoshop Lightroom | - |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | 0 °C | 0 °C |
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