Side by side comparison and review of Pentax K-3 and Sony Alpha7 II ILCE-7M2. Compare design, sensors, zoom functions, batteries and other key specifications and features to simplify the choice of your perfect digital camera. Our goal is to make it easier for you to decide on the camera that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Pentax K-3 | Sony Alpha7 II ILCE-7M2 |
|---|
| Product Type | Digital camera - SLR with movie recording | Digital camera - 1080p - mirrorless system |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 10 cm | 9.57 cm |
| Width | 13.15 cm | 12.69 cm |
| Depth | 7.75 cm | 5.97 cm |
| Weight | 715 g | 556 g |
| Body Material | Magnesium alloy | Magnesium alloy |
| Enclosure Colour | Black | Black |
| Protection | Weatherproof, freezeproof, dust-resistant | Splashproof, dust-resistant |
| Digital Zoom | - | 4x |
| SENSOR | Pentax K-3 | Sony Alpha7 II ILCE-7M2 |
|---|
| Sensor Resolution | 23.35 Megapixel | 24.3 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | Exmor CMOS |
| Total Pixels | 24,710,000 pixels | 24,700,000 pixels |
| Effective Sensor Resolution | 23,350,000 pixels | 24,300,000 pixels |
| Optical Sensor Size | APS-C (23.5 x 15.6 mm) | Full Frame (35.8 x 23.9 mm) |
| Sensor Dust Reduction | - | Yes |
| Sensor Features | Dust Reduction (image sensor vibration), anti-aliasing simulator function | Dust Reduction (image sensor vibration), Anti-Dust coating |
| Image Stabiliser | Optical (image sensor shift mechanism) | - |
| Built-in Optical Image Stabiliser | Yes | Yes |
| Sensors | Dust alert sensor, digital level metre | Digital level metre |
| PROCESSOR | Pentax K-3 | Sony Alpha7 II ILCE-7M2 |
|---|
| Image Processor | PRIME III | BIONZ X |
|---|
| LENS | Pentax K-3 | Sony Alpha7 II ILCE-7M2 |
|---|
| Lens Mounting Type | Pentax K | Sony E-mount |
|---|
| FOCUSING | Pentax K-3 | Sony Alpha7 II ILCE-7M2 |
|---|
| Auto Focus | TTL phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 27 | 25 |
| Auto Focus Features | - | Focus Peaking function, Manual Focus Check Live View |
| AE/AF Control | - | Face-priority AF, Subject-tracking AF, Eye detection AF |
| Face Detection | Yes | Face Detection AF/AE/FE/WB, Smile Shutter |
| VIEWFINDER | Pentax K-3 | Sony Alpha7 II ILCE-7M2 |
|---|
| Viewfinder Type | Optical - fixed eye-level pentaprism | Electronic - OLED |
|---|---|---|
| Viewfinder Colour Support | - | Colour |
| Viewfinder Diagonal Size | - | 0.5" |
| Viewfinder Resolution | - | 2,359,296 pixels |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 0.95x | 0.71x |
| Optical Viewfinder Dioptric Correction Range | -2.5 to +1.5 | -4 to +3 |
| Interchangeable Focusing Screens | Yes | - |
| Features | - | Viewfinder brightness control |
| EXPOSURE & WHITE BALANCE | Pentax K-3 | Sony Alpha7 II ILCE-7M2 |
|---|
| ISO (Max) | 51200 | 25600 |
|---|---|---|
| Native ISO | 100-51200 | - |
| Light Sensitivity | ISO 100-51200, ISO auto (100-51200) | ISO 50, ISO auto (100-6400), ISO 100-25600 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Multi-segment, centre-weighted, spot |
| Exposure Metering Zones | - | 1200 |
| Exposure Modes | Programme, bulb, automatic, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority | Programme, bulb, automatic, manual, aperture-priority, shutter-priority |
| Shooting Programs | - | Landscape, portrait mode, macro, night portrait, night scene, sports mode, sunset, handheld twilight, anti-motion blur |
| Special Effects | Soft, Slim, Pastel, fisheye, natural, bright, Vibrant, Sketch, monochrome, Muted, landscape, portrait, Water Colour, miniature, Cross Process, Retro, Colour Extract, Toy camera, starburst, High contrast, Colour Invert, Bleach Bypass, Posterisation, Radiant, Reversal Film, Shading, Tone Expansion, Bold Monochrome, Unicolour Bold | Black & White, Sepia, Colour, Neutral, Vivid, sunset, soft focus, illustration, monochrome, landscape, portrait, Water Colour, miniature, clear, deep, light, autumn leaves, Retro, partial colour, Toy camera, High contrast, Pop Colour, HDR Painting, Rich-tone monochrome, Soft High-key, Night Scene |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Cloudy, tungsten light, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Color Temperature Enhancement (CTE), fluorescent light (daylight white) | Incandescent, cloudy, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Underwater, 2500K - 9900K, fluorescent light (daylight white) |
| Shutter Type | Mechanical electronically-controlled | - |
| Max Shutter Speed | 1/8000 sec | 1/8000 sec |
| Min Shutter Speed | 30 sec | 30 sec |
| Exposure Compensation | ±5 EV range, in 1/2 or 1/3 EV steps | ±5 EV range, in 1/2 or 1/3 EV steps |
| Auto Exposure Bracketing | 2, 3 or 5 steps | 3 or 5 steps |
| White Balance Bracketing | - | Yes |
| X-sync Speed | 1/180 sec | 1/250sec |
| Exposure Range | EV -3-20 (ISO 100) | EV -1-20 (ISO 100) |
| DISPLAY | Pentax K-3 | Sony Alpha7 II ILCE-7M2 |
|---|
| Type | 3.2" LCD display | 3" LCD display |
|---|---|---|
| Display Format | 1,037,000 pixels | 1,228,800 pixels |
| Display Form Factor | Built-in | Folding |
| Display Features | Colour control | Contrast control, display brightness control |
| FLASH | Pentax K-3 | Sony Alpha7 II ILCE-7M2 |
|---|
| Camera Flash | Pop-up flash | - |
|---|---|---|
| Guide Number (m / ISO 100) | 13 | - |
| Flash Modes | Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction | - |
| Red-Eye Reduction | Yes | - |
| Features | AF illuminator, flash +/- compensation, wireless off-camera control | AF illuminator |
| VIDEOGRAPHY / CAMCORDER | Pentax K-3 | Sony Alpha7 II ILCE-7M2 |
|---|
| Digital Video Format | AVI, MJPEG, H.264 | H.264, XAVC S, AVC |
|---|---|---|
| Image Recording Format | JPEG, DNG (RAW) + JPEG, DNG (RAW) | JPEG, RAW, RAW + JPEG |
| Max Video Resolution | 1920 x 1080 | 1920 x 1080 |
| Surround Sound | - | Dolby Digital AC-3 (2 channel) recording |
| Microphone Operation Mode | Mono | Stereo |
| Microphone Features | Sensitivity control | - |
| MEMORY | Pentax K-3 | Sony Alpha7 II ILCE-7M2 |
|---|
| Memory Card Slot | Dual SD card | Memory Stick PRO Duo card, SD card |
|---|---|---|
| Supported Memory Cards | SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card | SD Memory Card, Memory Stick PRO Duo, SDXC Memory Card, SDHC Memory Card, Memory Stick PRO-HG Duo, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card, Memory Stick XC-HG Duo |
| Image Storage | RAW 6016 x 4000 JPEG 6016 x 4000 JPEG 4608 x 3072 JPEG 3072 x 2048 JPEG 1920 x 1280 |
6000 x 4000 6000 x 3376 3936 x 2624 3936 x 2216 3008 x 2000 3008 x 1688 1968 x 1312 1968 x 1112 |
| Video Capture | H.264 - 1920 x 1080 - 30 fps H.264 - 1920 x 1080 - 25 fps H.264 - 1920 x 1080 - 24 fps H.264 - 1280 x 720 - 60 fps H.264 - 1280 x 720 - 50 fps H.264 - 1280 x 720 - 30 fps H.264 - 1280 x 720 - 25 fps H.264 - 1280 x 720 - 24 fps H.264 - 1920 x 1080 - 60 fps H.264 - 1920 x 1080 - 50 fps |
AVCHD - 1920 x 1080 - 60 fps - 28Mbps AVCHD - 1920 x 1080 - 60 fps - 24Mbps AVCHD - 1920 x 1080 - 60 fps - 17Mbps AVCHD - 1920 x 1080 - 24 fps - 24Mbps AVCHD - 1920 x 1080 - 24 fps - 17Mbps H.264 - 1440 x 1080 - 30 fps - 12Mbps H.264 - 640 x 480 - 30 fps - 3Mbps |
| BATTERY AND CHARGING | Pentax K-3 | Sony Alpha7 II ILCE-7M2 |
|---|
| Battery Type | Pentax D-Li90 Lithium Ion | Sony NP-FW50 Lithium Ion |
|---|---|---|
| Details | Pentax D-Li90 Li-ion rechargeable battery (included) | Sony NP-FW50 Li-ion rechargeable battery - 1080 mAh (included) |
| Battery Life | Photo shooting - 560 shots (50% flash usage) Photo shooting - 720 shots (flash off) Playback - 6.2 hours |
Photo shooting - 340 shots (LCD Monitor on) Photo shooting - 270 shots |
| CONNECTIONS | Pentax K-3 | Sony Alpha7 II ILCE-7M2 |
|---|
| Interface | HDMI, USB 3.0 | HDMI, USB 2.0, IEEE 802.11b/g/n, NFC (Near Field Communication) |
|---|---|---|
| Connectivity Features | - | Remote control via mobile devices |
| Print Standard | Exif Print support | DPOF support, Exif Print support, PictBridge support, PRINT Image Matching |
| Flash Terminal | Hot shoe | Hot shoe |
| Connector Type | USB 2.0 HDMI output Microphone Headphones Remote control |
USB 2.0 HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) |
| FEATURES | Pentax K-3 | Sony Alpha7 II ILCE-7M2 |
|---|
| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec |
|---|---|---|
| Continuous Shooting Speed | 8.3 frames per second | 2.5 frames per second, 5 frames per second |
| HDR Mode | Auto HDR mode | Auto HDR mode |
| Additional Features | Audio recording, digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, cropping an image, resizing an image, saturation control, GPS ready, interval shooting mode, mirror lock, in-camera RAW processing, peripheral illumination correction, HDR image enhancement technology, Shade Correction, Eye-Fi Card Ready, NR Slow Shutter, High ISO NR, Dynamic Range Compensation, no anti-aliasing filter, Lens Distortion Correction, primary colour filter, Interval Movie Record, Automatic composition correction function, colour moire correction, Lateral Chromatic Aberration Correction, Flucard Ready | Built-in speaker, RGB primary colour filter, auto power save, sharpness control, camera orientation detection, histogram display, AE lock, AF lock, saturation control, Sweep Panorama technology, in-camera red-eye fix, shadow point display, highlight point display, Dynamic Range Optimizer, face detection, USB charging, built-in help guide, 24p Cinema Mode, Chromatic Aberration Compensation (CAC), Anti-motion Blur Mode, x.v.Colour technology, Shade Correction, Intelligent AUTO (iAUTO), Lens Distortion Compensation (LDC), Superior Auto mode, noise reduction over long exposures, high ISO speed noise reduction, PlayMemories Camera Apps support, BRAVIA Sync function, PhotoTV HD, diffraction correction, S-Log2 gamma setting |
| OTHERS | Pentax K-3 | Sony Alpha7 II ILCE-7M2 |
|---|
| Included Accessories | Battery charger, body cap, shoulder strap, USB cable, eyecup, shoe cap, battery grip terminal cover, sync terminal cover | Eyepiece cover, body cap, shoulder strap, AC power adaptor, USB cable, shoe cap |
|---|---|---|
| Software | Drivers & Utilities | Sony PlayMemories Home |
| Max Operating Temperature | 40 °C | - |
| Min Operating Temperature | -10 °C | - |
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