Detailed comparison and review of Pentax K-3 and Sony Alpha5100 ILCE-5100. With our comprehensive overview, you can simply compare design, sensors, proximity characteristics, memory capacities, but also other key features of both cameras and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the camera that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Pentax K-3 | Sony Alpha5100 ILCE-5100 |
|---|
| Product Type | Digital camera - SLR with movie recording | Digital camera - mirrorless system |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 10 cm | 6.28 cm |
| Width | 13.15 cm | 10.96 cm |
| Depth | 7.75 cm | 3.57 cm |
| Weight | 715 g | 224 g |
| Body Material | Magnesium alloy | - |
| Enclosure Colour | Black | Black |
| Protection | Weatherproof, freezeproof, dust-resistant | - |
| Digital Zoom | - | 4x |
| SENSOR | Pentax K-3 | Sony Alpha5100 ILCE-5100 |
|---|
| Sensor Resolution | 23.35 Megapixel | 24.3 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | Exmor APS HD 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) | APS-C (23.5 x 15.6 mm) |
| Sensor Dust Reduction | - | Yes |
| Sensor Features | Dust Reduction (image sensor vibration), anti-aliasing simulator function | Anti-Dust coating |
| Image Stabiliser | Optical (image sensor shift mechanism) | - |
| Built-in Optical Image Stabiliser | Yes | - |
| Sensors | Dust alert sensor, digital level metre | - |
| PROCESSOR | Pentax K-3 | Sony Alpha5100 ILCE-5100 |
|---|
| Image Processor | PRIME III | BIONZ X |
|---|
| LENS | Pentax K-3 | Sony Alpha5100 ILCE-5100 |
|---|
| Lens Mounting Type | Pentax K | Sony E-mount |
|---|
| FOCUSING | Pentax K-3 | Sony Alpha5100 ILCE-5100 |
|---|
| Auto Focus | TTL phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 27 | 179 |
| Auto Focus Features | - | Predictive Focus Control |
| AE/AF Control | - | Eye detection AF, Predictive AI Servo AF |
| Face Detection | Yes | Eye Detect AF, Smile Shutter |
| VIEWFINDER | Pentax K-3 | Sony Alpha5100 ILCE-5100 |
|---|
| Viewfinder Type | Optical - fixed eye-level pentaprism | - |
|---|---|---|
| Optical Viewfinder Field Coverage | 100% | - |
| Optical Viewfinder Magnification | 0.95x | - |
| Optical Viewfinder Dioptric Correction Range | -2.5 to +1.5 | - |
| Field of View Crop Factor | - | 1.5 |
| Interchangeable Focusing Screens | Yes | - |
| EXPOSURE & WHITE BALANCE | Pentax K-3 | Sony Alpha5100 ILCE-5100 |
|---|
| ISO (Max) | 51200 | 25600 |
|---|---|---|
| Native ISO | 100-51200 | 100-25600 |
| Light Sensitivity | ISO 100-51200, ISO auto (100-51200) | ISO 100-25600, ISO auto (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 | Illustration, Water Colour, miniature, Retro, partial colour, Toy camera, Posterisation, High contrast monochrome, Pop Colour, HDR Painting, Rich-tone monochrome, Soft High-key |
| 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 (warm white), Underwater, 2500K - 9900K, fluorescent light (daylight white) |
| Shutter Type | Mechanical electronically-controlled | Electronic |
| Max Shutter Speed | 1/8000 sec | 1/4000 sec |
| Min Shutter Speed | 30 sec | 30 sec |
| Exposure Compensation | ±5 EV range, in 1/2 or 1/3 EV steps | ±3 EV range, in 1/3 EV steps |
| Auto Exposure Bracketing | 2, 3 or 5 steps | 3 steps |
| White Balance Bracketing | - | Yes |
| X-sync Speed | 1/180 sec | 1/160 sec |
| Exposure Range | EV -3-20 (ISO 100) | EV -1-20 (ISO 100) |
| DISPLAY | Pentax K-3 | Sony Alpha5100 ILCE-5100 |
|---|
| Type | 3.2" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | - | Yes |
| Display Format | 1,037,000 pixels | 921,600 pixels |
| Display Form Factor | Built-in | Folding |
| Display Features | Colour control | Contrast control, display brightness control |
| FLASH | Pentax K-3 | Sony Alpha5100 ILCE-5100 |
|---|
| Camera Flash | Pop-up flash | Pop-up flash |
|---|---|---|
| Guide Number (m / ISO 100) | 13 | 4 |
| Flash Modes | Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction | 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 |
| VIDEOGRAPHY / CAMCORDER | Pentax K-3 | Sony Alpha5100 ILCE-5100 |
|---|
| Video Recording Modes | - | FH, FX, PS |
|---|---|---|
| Digital Video Format | AVI, MJPEG, 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 | 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 Alpha5100 ILCE-5100 |
|---|
| 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 |
JPEG 6000 x 4000 JPEG 4240 x 2832 JPEG 3008 x 2000 JPEG 6000 x 3376 JPEG 4240 x 2400 JPEG 3008 x 1688 |
| 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 H.264 - 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 Alpha5100 ILCE-5100 |
|---|
| 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 - 400 shots Video recording - 1.84 hours |
| CONNECTIONS | Pentax K-3 | Sony Alpha5100 ILCE-5100 |
|---|
| Interface | HDMI, USB 3.0 | HDMI, IEEE 802.11b/g/n, NFC (Near Field Communication) |
|---|---|---|
| Connectivity Features | - | Remote control via mobile devices, remote live view |
| Print Standard | Exif Print support | DPOF support, Exif Print 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) |
| FEATURES | Pentax K-3 | Sony Alpha5100 ILCE-5100 |
|---|
| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec |
|---|---|---|
| Continuous Shooting Speed | 8.3 frames per second | 3 frames per second, 6 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, sharpness control, digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, saturation control, Sweep Panorama technology, Dynamic Range Optimizer, face detection, USB charging, built-in help guide, 24p Cinema Mode, peripheral illumination correction, Dolby Digital Stereo Creator, Chromatic Aberration Compensation (CAC), Anti-motion Blur Mode, Intelligent AUTO (iAUTO), High ISO NR, Superior Auto mode, Clear Image Zoom, noise reduction over long exposures, Lens Distortion Correction, PlayMemories Camera Apps support, BRAVIA Sync function, PhotoTV HD, Auto Object Framing |
| OTHERS | Pentax K-3 | Sony Alpha5100 ILCE-5100 |
|---|
| Included Accessories | Battery charger, body cap, shoulder strap, USB cable, eyecup, shoe cap, battery grip terminal cover, sync terminal cover | Lens hood, dust cap, body cap, lens cap, shoulder strap, AC power adaptor, micro-USB cable |
|---|---|---|
| Software | Drivers & Utilities | - |
| Max Operating Temperature | 40 °C | - |
| Min Operating Temperature | -10 °C | - |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
