In depth comparison and review of Pentax K-50 and Sony Alpha7R II ILCE-7RM2. 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 | Pentax K-50 | Sony Alpha7R II ILCE-7RM2 |
|---|
| Product Type | Digital camera - 1080p - SLR with Live View mode, movie recording | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 9.65 cm | 9.57 cm |
| Width | 12.9 cm | 12.69 cm |
| Depth | 7 cm | 6.03 cm |
| Weight | 590 g | 582 g |
| Body Material | Stainless steel, fibre reinforced polycarbonate | Magnesium alloy |
| Enclosure Colour | Black | White | Red | Black |
| Protection | Weatherproof, freezeproof, dust-resistant | Dust-resistant, moisture-resistant |
| Digital Zoom | - | 4x |
| SENSOR | Pentax K-50 | Sony Alpha7R II ILCE-7RM2 |
|---|
| Sensor Resolution | 16.3 Megapixel | 42.4 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | Exmor CMOS |
| Total Pixels | 16,500,000 pixels | 43,600,000 pixels |
| Effective Sensor Resolution | 16,300,000 pixels | 42,400,000 pixels |
| Optical Sensor Size | APS-C (23.7 x 15.7 mm) | Full Frame (35.9 x 24 mm) |
| Frame Rate (Max Resolution) | - | 30 fps |
| Sensor Dust Reduction | Yes | Yes |
| Sensor Features | Dust Reduction (image sensor vibration), Special Protect (SP) coating | Dust Reduction (image sensor vibration), Anti-Dust coating |
| Image Stabiliser | Optical (image sensor shift mechanism) | Optical (5-axis Steady Shot) |
| Built-in Optical Image Stabiliser | Yes | Yes |
| PROCESSOR | Pentax K-50 | Sony Alpha7R II ILCE-7RM2 |
|---|
| Image Processor | PRIME M | BIONZ X |
|---|
| LENS | Pentax K-50 | Sony Alpha7R II ILCE-7RM2 |
|---|
| Lens Mounting Type | Pentax KAF2 | Sony E-mount |
|---|
| FOCUSING | Pentax K-50 | Sony Alpha7R II ILCE-7RM2 |
|---|
| Auto Focus | TTL contrast and phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 11 | 399 |
| Auto Focus Features | Focus Peaking function | Focus Peaking function, Manual Focus Check Live View |
| AE/AF Control | Face-priority AF, Subject-tracking AF | Flex Focus Point, Face-priority AF, Subject-tracking AF, Eye detection AF |
| Face Detection | Yes | Face Recognition |
| VIEWFINDER | Pentax K-50 | Sony Alpha7R II ILCE-7RM2 |
|---|
| 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 | 0.92x | 0.78x |
| 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-50 | Sony Alpha7R II ILCE-7RM2 |
|---|
| ISO (Max) | 51200 | 102400 |
|---|---|---|
| Native ISO | - | 100-51200 |
| Light Sensitivity | ISO 100-51200, ISO auto (100-51200) | ISO 50, ISO 102400, ISO auto (100-6400), ISO 100-25600 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Multi-segment, centre-weighted, spot |
| Exposure Metering Zones | 77 | 1200 |
| Exposure Modes | Programme, bulb, automatic, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority | Programme, bulb, automatic, manual, aperture-priority, shutter-priority |
| Bracketing Modes | - | Flash Exposure Bracketing |
| Shooting Programs | Landscape, portrait mode, macro, museum, surf & snow, PET, Blue Sky, food, night scene, sunset, candle, night snapshot, night scene with portrait, kids, Stage, night scene HDR, moving object, forest, backlight silhouette | Landscape, portrait mode, macro, night portrait, night scene, sports mode, sunset, handheld twilight, anti-motion blur |
| Special Effects | Soft, Slim, Pastel, Colour, 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 | Sepia, Neutral, Vivid, sunset, soft focus, illustration, landscape, portrait, Water Colour, miniature, clear, deep, light, autumn leaves, Retro, partial colour, Toy camera, Posterisation, High contrast monochrome, 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), fluorescent light (daylight white) | Incandescent, cloudy, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), 2500K - 9900K, fluorescent light (daylight white) |
| Shutter Type | - | Mechanical electronically-controlled |
| Max Shutter Speed | 1/6000 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 | 3 steps in 1/2 or 1/3 EV steps | - |
| White Balance Bracketing | - | Yes |
| X-sync Speed | 1/180 sec | 1/250sec |
| Exposure Range | EV 0-22 (ISO 100) | EV -3-20 (ISO 100) |
| DISPLAY | Pentax K-50 | Sony Alpha7R II ILCE-7RM2 |
|---|
| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Display Format | 921,000 pixels | 1,228,800 pixels |
| Display Form Factor | Built-in | Folding |
| Display Features | Display brightness control, display colour control | Display brightness control |
| FLASH | Pentax K-50 | Sony Alpha7R II ILCE-7RM2 |
|---|
| Camera Flash | Pop-up flash | - |
|---|---|---|
| Guide Number (m / ISO 100) | 12 | - |
| Flash Modes | Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction, P-TTL | - |
| Red-Eye Reduction | Yes | - |
| Features | AF illuminator, flash +/- compensation, wireless off-camera control | - |
| VIDEOGRAPHY / CAMCORDER | Pentax K-50 | Sony Alpha7R II ILCE-7RM2 |
|---|
| Digital Video Format | H.264 | AVCHD, H.264, XAVC S |
|---|---|---|
| Image Recording Format | JPEG, DNG (RAW) + JPEG, DNG (RAW) | JPEG, RAW, RAW + JPEG |
| Max Video Resolution | 1920 x 1080 | 3840 x 2160 |
| Surround Sound | - | Dolby Digital AC-3 (2 channel) recording |
| Microphone Operation Mode | Mono | Stereo |
| Microphone Features | Sensitivity control | - |
| MEMORY | Pentax K-50 | Sony Alpha7R II ILCE-7RM2 |
|---|
| Memory Card Slot | SD card | Memory Stick PRO Duo card, SD card |
|---|---|---|
| Supported Memory Cards | SD Memory Card, SDXC Memory Card, SDHC 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 Card Included | - | No |
| Image Storage | RAW 4928 x 3264 JPEG 4928 x 3264 JPEG 4224 x 2816 JPEG 3456 x 2304 JPEG 2688 x 1792 |
7952 x 5304 7952 x 4472 5168 x 3448 5168 x 2912 3984 x 2656 3984 x 2240 2592 x 1728 2592 x 1456 |
| 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 - 640 x 480 - 30 fps H.264 - 640 x 480 - 25 fps H.264 - 640 x 480 - 24 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 AVCHD - 1920 x 1080 - 50 fps - 28Mbps AVCHD - 1920 x 1080 - 50 fps - 24Mbps AVCHD - 1920 x 1080 - 50 fps - 17Mbps AVCHD - 1920 x 1080 - 25 fps - 24Mbps AVCHD - 1920 x 1080 - 25 fps - 17Mbps XAVC S - 3840 x 2160 - 30 fps - 100Mbps XAVC S - 3840 x 2160 - 30 fps - 60Mbps XAVC S - 3840 x 2160 - 24 fps - 100Mbps XAVC S - 3840 x 2160 - 24 fps - 60Mbps XAVC S - 1920 x 1080 - 60 fps - 50Mbps XAVC S - 1920 x 1080 - 30 fps - 50Mbps XAVC S - 1920 x 1080 - 24 fps - 50Mbps XAVC S - 1280 x 720 - 120 fps - 50Mbps XAVC S - 3840 x 2160 - 25 fps - 100Mbps XAVC S - 3840 x 2160 - 25 fps - 60Mbps XAVC S - 1920 x 1080 - 50 fps - 50Mbps XAVC S - 1920 x 1080 - 25 fps - 50Mbps XAVC S - 1280 x 720 - 100 fps - 50Mbps H.264 - 1920 x 1080 - 60 fps - 28Mbps H.264 - 1920 x 1080 - 30 fps - 16Mbps H.264 - 1280 x 720 - 30 fps - 6Mbps H.264 - 1920 x 1080 - 50 fps - 28Mbps H.264 - 1920 x 1080 - 25 fps - 16Mbps H.264 - 1280 x 720 - 25 fps - 6Mbps |
| BATTERY AND CHARGING | Pentax K-50 | Sony Alpha7R II ILCE-7RM2 |
|---|
| Battery Type | Pentax D-Li109 Lithium Ion | Sony NP-FW50 Lithium Ion |
|---|---|---|
| Details | Pentax D-Li109 Li-ion rechargeable battery (included) | Sony NP-FW50 Li-ion rechargeable battery - 1080 mAh (included) |
| Battery Life | Photo shooting - 480 shots (D-LI109 battery) Photo shooting - 1250 shots (lithium AA batteries) Playback - 4.5 hours (D-LI109 battery) Playback - 9.3 hours (lithium AA batteries) |
Photo shooting - 340 shots (LCD Monitor on) Photo shooting - 290 shots (EVF on) |
| CONNECTIONS | Pentax K-50 | Sony Alpha7R II ILCE-7RM2 |
|---|
| Interface | Composite video/audio, USB 2.0 | HDMI, USB 2.0, IEEE 802.11b/g/n, NFC (Near Field Communication) |
|---|---|---|
| Connectivity Features | - | Remote control via mobile devices, remote live view |
| Print Standard | DPOF support, PRINT Image Matching | DPOF support, Exif Print support, PRINT Image Matching |
| Flash Terminal | Hot shoe | Hot shoe |
| Connector Type | USB 2.0 Composite video/audio output |
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-50 | Sony Alpha7R II ILCE-7RM2 |
|---|
| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec |
|---|---|---|
| Continuous Shooting Speed | 3 frames per second, 6 frames per second | 2.5 frames per second, 5 frames per second |
| HDR Mode | - | Auto HDR mode |
| Additional Features | RGB primary colour filter, digital image rotation, histogram display, cropping an image, resizing an image, Scene Detection Technology, interval shooting mode, Dynamic Range Adjustment, in-camera RAW processing, Chromatic Aberration Compensation (CAC), HDR image enhancement technology, Eye-Fi Card Ready, NR Slow Shutter, High ISO NR, Dual Axis Electronic Level, date stamp, Lens Distortion Correction | Built-in speaker, RGB primary colour filter, sharpness control, AE lock, AF lock, saturation control, Sweep Panorama technology, contrast control, Dynamic Range Optimizer, USB charging, built-in help guide, peripheral illumination correction, Chromatic Aberration Compensation (CAC), x.v.Colour technology, Multi-Frame Noise Reduction, Intelligent AUTO (iAUTO), High ISO NR, Lens Distortion Compensation (LDC), no anti-aliasing filter, Superior Auto mode, Clear Image Zoom, noise reduction over long exposures, PlayMemories Camera Apps support, BRAVIA Sync function, PhotoTV HD, Auto Object Framing |
| OTHERS | Pentax K-50 | Sony Alpha7R II ILCE-7RM2 |
|---|
| Included Accessories | Battery charger, body cap, shoulder strap, USB cable, eyecup, shoe cap | Battery charger, body cap, shoulder strap, AC power adaptor, shoe cap, micro-USB cable, cable protector |
|---|---|---|
| Software | Drivers & Utilities, SILKYPIX Developer Studio 3.0 | Sony PlayMemories Home |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | -10 °C | 0 °C |
| Service & Support | - | Limited warranty - parts and labour - 1 year |
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