In depth comparison and review of Pentax K-50 and Sony Alpha68 ILCA-68K + DT 18-55mm. 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 Alpha68 ILCA-68K + DT 18-55mm |
|---|
| Product Type | Digital camera - 1080p - SLR with Live View mode, movie recording | Digital camera - 1080p - SLR with Live View mode, movie recording |
|---|---|---|
| Lens Included | Body only | DT 18-55mm lens |
| Height | 9.65 cm | 10.42 cm |
| Width | 12.9 cm | 14.26 cm |
| Depth | 7 cm | 8.09 cm |
| Weight | 590 g | 610 g |
| Body Material | Stainless steel, fibre reinforced polycarbonate | - |
| Enclosure Colour | Black | White | Red | - |
| Protection | Weatherproof, freezeproof, dust-resistant | - |
| Optical Zoom | - | 3x |
| SENSOR | Pentax K-50 | Sony Alpha68 ILCA-68K + DT 18-55mm |
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| Sensor Resolution | 16.3 Megapixel | 24.0 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | Exmor APS HD CMOS |
| Total Pixels | 16,500,000 pixels | - |
| Effective Sensor Resolution | 16,300,000 pixels | - |
| Optical Sensor Size | APS-C (23.7 x 15.7 mm) | APS-C (23.5 x 15.6 mm) |
| Frame Rate (Max Resolution) | - | 50 fps |
| Sensor Dust Reduction | Yes | - |
| Sensor Features | Dust Reduction (image sensor vibration), Special Protect (SP) coating | Anti-Dust coating |
| Image Stabiliser | Optical (image sensor shift mechanism) | Optical (SteadyShot INSIDE) |
| Built-in Optical Image Stabiliser | Yes | Yes |
| PROCESSOR | Pentax K-50 | Sony Alpha68 ILCA-68K + DT 18-55mm |
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| Image Processor | PRIME M | BIONZ X |
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| LENS | Pentax K-50 | Sony Alpha68 ILCA-68K + DT 18-55mm |
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| Type | - | Zoom lens - 3x zoom - 18 - 55 mm - f/3.5-5.6 DT SAM |
|---|---|---|
| Focal Length Equivalent to 35mm Camera | - | 27 - 82.5mm |
| Focus Adjustment | - | Automatic, manual |
| Min Focus Distance | - | 25 cm |
| Max View Angle | - | 76 degree(s) |
| Zoom Adjustment | - | Manual |
| Lens Construction | - | 7 groups / 8 elements |
| Filter Size | - | 55 mm |
| Lens Mounting Type | Pentax KAF2 | - |
| Features | - | Aspherical lens, Smooth Autofocus Motor (SAM) |
| FOCUSING | Pentax K-50 | Sony Alpha68 ILCA-68K + DT 18-55mm |
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| Auto Focus | TTL contrast and phase detection | TTL phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 11 | 79 |
| Auto Focus Features | Focus Peaking function | Predictive Focus Control |
| AE/AF Control | Face-priority AF, Subject-tracking AF | Subject-tracking AF, Eye detection AF |
| Face Detection | Yes | Eye Detect AF, Face Recognition |
| VIEWFINDER | Pentax K-50 | Sony Alpha68 ILCA-68K + DT 18-55mm |
|---|
| Viewfinder Type | Optical - fixed eye-level pentaprism | Electronic - OLED |
|---|---|---|
| Viewfinder Colour Support | - | Colour |
| Viewfinder Diagonal Size | - | 0.39" |
| Viewfinder Resolution | - | 1,440,000 pixels |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 0.92x | 0.88x |
| Optical Viewfinder Dioptric Correction Range | -2.5 to +1.5 | -4 to +3 |
| Field of View Crop Factor | - | 1.5 |
| Interchangeable Focusing Screens | Yes | - |
| EXPOSURE & WHITE BALANCE | Pentax K-50 | Sony Alpha68 ILCA-68K + DT 18-55mm |
|---|
| ISO (Max) | 51200 | 25600 |
|---|---|---|
| Native ISO | - | 100-12800 |
| Extended ISO (Max) | - | 25600 |
| Light Sensitivity | ISO 100-51200, ISO auto (100-51200) | ISO auto, 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, automatic, manual, aperture-priority, shutter-priority |
| 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, sports mode, sunset, handheld twilight, Night View |
| 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 | Black & White, Sepia, Saturation, Neutral, Vivid, sunset, landscape, portrait, clear, deep, light, autumn leaves, Night Scene, Style Box |
| 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, 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 | 1/4000 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 | 3, 5 steps in 1/3, 1/2, 2/3 or 1 EV steps |
| White Balance Bracketing | - | Yes |
| X-sync Speed | 1/180 sec | 1/250sec |
| Exposure Range | EV 0-22 (ISO 100) | EV 2-18 (ISO 100) |
| DISPLAY | Pentax K-50 | Sony Alpha68 ILCA-68K + DT 18-55mm |
|---|
| Type | 3" LCD display | 2.7" LCD display |
|---|---|---|
| Display Format | 921,000 pixels | 460,800 pixels |
| Display Form Factor | Built-in | Folding |
| Display Features | Display brightness control, display colour control | Contrast control, display brightness control |
| FLASH | Pentax K-50 | Sony Alpha68 ILCA-68K + DT 18-55mm |
|---|
| Camera Flash | Pop-up 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 | Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction |
| Red-Eye Reduction | Yes | Yes |
| Features | AF illuminator, flash +/- compensation, wireless off-camera control | AF illuminator, flash +/- compensation, wireless off-camera control |
| VIDEOGRAPHY / CAMCORDER | Pentax K-50 | Sony Alpha68 ILCA-68K + DT 18-55mm |
|---|
| Digital Video Format | H.264 | AVCHD, 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 |
| Audio Signal Format | - | Dolby Digital AC-3 (2 channel), Linear PCM |
| Surround Sound | - | Dolby Digital AC-3 (2 channel) recording |
| Microphone Operation Mode | Mono | Stereo |
| Microphone Features | Sensitivity control | - |
| MEMORY | Pentax K-50 | Sony Alpha68 ILCA-68K + DT 18-55mm |
|---|
| 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, Memory Stick PRO-HG Duo HX, SDHC Memory Card, Memory Stick PRO-HG Duo, 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 |
- |
| 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 - 50 fps AVCHD - 1920 x 1080 - 30 fps AVCHD - 1920 x 1080 - 25 fps AVCHD - 1920 x 1080 - 24 fps |
| BATTERY AND CHARGING | Pentax K-50 | Sony Alpha68 ILCA-68K + DT 18-55mm |
|---|
| Battery Type | Pentax D-Li109 Lithium Ion | Sony NP-FM500H Lithium Ion |
|---|---|---|
| Details | Pentax D-Li109 Li-ion rechargeable battery (included) | Sony NP-FM500H Li-ion rechargeable battery (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) |
- |
| CONNECTIONS | Pentax K-50 | Sony Alpha68 ILCA-68K + DT 18-55mm |
|---|
| Interface | Composite video/audio, USB 2.0 | HDMI, USB 2.0 |
|---|---|---|
| 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 |
HDMI output USB 2.0 Microphone (mini-phone stereo 3.5 mm) Accessory shoe (Sony Multi Interface Shoe) |
| FEATURES | Pentax K-50 | Sony Alpha68 ILCA-68K + DT 18-55mm |
|---|
| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec |
|---|---|---|
| Continuous Shooting Speed | 3 frames per second, 6 frames per second | 8 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 | RGB primary colour filter, digital noise reduction, date/time stamp, depth-of-field preview button, sharpness control, digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, saturation control, Sweep Panorama technology, LCD live view mode, shadow point display, highlight point display, Quick AF Live View, Dynamic Range Optimizer, face detection, 25p Cinema Mode, automatic display brightness adjustment, peripheral illumination correction, 3D Sweep Panorama technology, Multi-Frame Noise Reduction, Shade Correction, NR Slow Shutter, High ISO NR, Quick AF Full HD movie recording, Smart Teleconverter, AUTO+ (Advanced AUTO) mode, Translucent Mirror technology |
| OTHERS | Pentax K-50 | Sony Alpha68 ILCA-68K + DT 18-55mm |
|---|
| Included Accessories | Battery charger, body cap, shoulder strap, USB cable, eyecup, shoe cap | Eyepiece cover, battery charger, dust cap, body cap, lens cap, shoulder strap, USB cable, power cable, shoe cap |
|---|---|---|
| Software | Drivers & Utilities, SILKYPIX Developer Studio 3.0 | - |
| Max Operating Temperature | 40 °C | - |
| Min Operating Temperature | -10 °C | - |
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