Sony Alpha NEX C3K + 18-55mm OSS vs. Pentax K-70 + DA 18-55mm WR

Camera Comparison, Reviews and Tests

In depth comparison and review of Sony Alpha NEX C3K + 18-55mm OSS and Pentax K-70 + DA 18-55mm WR. 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.

Camera Specifications Comparison

Sony Alpha NEX C3K + 18-55mm OSS vs. Pentax K-70 + DA 18-55mm WR Comparison Chart
DESIGN AND DIMENSIONS Sony Alpha NEX C3K + 18-55mm OSS Pentax K-70 + DA 18-55mm WR
Product Type Digital camera - 720p - mirrorless system Digital camera - 1080p - SLR with Live View mode, movie recording
Lens Included 18-55mm OSS lens DA 18-55mm WR lens
Height 6 cm 9.3 cm
Width 11 cm 12.55 cm
Depth 3.3 cm 7.4 cm
Weight 225 g 628 g
Weight Details - Camera body only: 628 g
Camera with battery and memory card: 688 g
Enclosure Colour Black | Silver Black
Protection - Weatherproof, freezeproof, dust-resistant
Optical Zoom 3x 3.1x
SENSOR Sony Alpha NEX C3K + 18-55mm OSS Pentax K-70 + DA 18-55mm WR
Sensor Resolution 16.2 Megapixel 24.0 Megapixel
Optical Sensor Type Exmor APS HD CMOS CMOS
Total Pixels 16,500,000 pixels 24,780,000 pixels
Effective Sensor Resolution 16,200,000 pixels 24,240,000 pixels
Optical Sensor Size APS-C (23.5 x 15.6 mm) APS-C (23.5 x 15.6 mm)
Frame Rate (Max Resolution) - 30 fps
Sensor Dust Reduction Yes Yes
Sensor Features Dust Reduction (image sensor vibration), Anti-Dust coating Dust Reduction (image sensor vibration), Special Protect (SP) coating
Image Stabiliser Optical (Steady Shot) Optical (image sensor shift mechanism)
Built-in Optical Image Stabiliser - Yes
Sensors - Digital level metre
PROCESSOR Sony Alpha NEX C3K + 18-55mm OSS Pentax K-70 + DA 18-55mm WR
Image Processor BIONZ PRIME MII
LENS Sony Alpha NEX C3K + 18-55mm OSS Pentax K-70 + DA 18-55mm WR
Type Zoom lens - 3x zoom - 18 - 55 mm - f/3.5-5.6 - zoom Zoom lens - 3.1x zoom - 18 - 55 mm - f/3.5-5.6 DA AL WR Pentax KAF - zoom
Focal Length Equivalent to 35mm Camera 27 - 82.5mm 27.5 - 84mm
Focus Adjustment Automatic, manual Automatic, manual
Min Focus Distance 25 cm 25 cm
Max View Angle 76 degree(s) 76 degree(s)
Zoom Adjustment Manual Manual
Lens Construction 9 groups / 11 elements 8 groups / 11 elements
Filter Size 49 mm 52 mm
Lens Mounting Type Sony E-mount Pentax KAF2
Features Aspherical lens Aspherical lens, weatherproof
FOCUSING Sony Alpha NEX C3K + 18-55mm OSS Pentax K-70 + DA 18-55mm WR
Auto Focus TTL contrast detection TTL contrast and phase detection
Auto Focus Points (Zones) Qty 25 11
Auto Focus Features - Focus Peaking function
AE/AF Control - Face-priority AF, Subject-tracking AF
Face Detection Smile Shutter, face and smile detection Yes
VIEWFINDER Sony Alpha NEX C3K + 18-55mm OSS Pentax K-70 + DA 18-55mm WR
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 Sony Alpha NEX C3K + 18-55mm OSS Pentax K-70 + DA 18-55mm WR
ISO (Max) 12800 102400
Native ISO - 100-102400
Light Sensitivity ISO auto, ISO 200-12800 ISO auto, ISO 100-102400
Exposure Metering Multi-segment, centre-weighted, spot Multi-segment, centre-weighted, spot
Exposure Metering Zones 49 77
Exposure Modes Programme, bulb, automatic, manual, aperture-priority, shutter-priority Programme, bulb, automatic, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority
Shooting Programs Landscape, portrait mode, macro, night portrait, sports mode, sunset, handheld twilight, Night View 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
Special Effects Black & White, Neutral, Vivid, sunset, landscape, portrait, Retro, partial colour, Toy camera, Posterisation, High Key, High contrast monochrome, Pop Colour Soft, Slim, Pastel, fisheye, natural, bright, Vibrant, Sketch, monochrome, Muted, Flat, 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, Colour replace
White Balance Custom, automatic, presets Custom, automatic, presets
White Balance Presets Incandescent, fluorescent, cloudy, Flash, daylight, shade, 2500K - 9900K (19 steps) Cloudy, tungsten light, daylight, shade, fluorescent light (cool white), fluorescent light (warm white), Color Temperature Enhancement (CTE), fluorescent light (daylight colour), fluorescent light (daylight white)
Shutter Type - Mechanical electronically-controlled
Max Shutter Speed 1/4000 sec 1/6000 sec
Min Shutter Speed 30 sec 30 sec
Exposure Compensation ±2 EV range, in 1/3 EV steps ±5 EV range, in 1/2 or 1/3 EV steps
Auto Exposure Bracketing 3 steps in 1/3 or 2/3 EV steps -
X-sync Speed 1/160 sec 1/180 sec
Exposure Range EV 0-20 (ISO 100) EV 0-22 (ISO 100)
DISPLAY Sony Alpha NEX C3K + 18-55mm OSS Pentax K-70 + DA 18-55mm WR
Type 3" LCD display 3" LCD display
Display Format 921,600 pixels 921,000 pixels
Display Form Factor Folding Rotating
Display Features Display brightness control Display brightness control, display colour control, display saturation control, red backlight mode
FLASH Sony Alpha NEX C3K + 18-55mm OSS Pentax K-70 + DA 18-55mm WR
Camera Flash Detachable flash Pop-up flash
Guide Number (m / ISO 100) 7 12
Flash Modes Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction Fill-in mode, rear curtain sync, auto mode, flash OFF mode, red-eye reduction, P-TTL, slow sync
Red-Eye Reduction Yes Yes
Features AF illuminator, flash +/- compensation AF illuminator, flash +/- compensation, wireless off-camera control
External Flash Name Sony HVL-F7S -
VIDEOGRAPHY / CAMCORDER Sony Alpha NEX C3K + 18-55mm OSS Pentax K-70 + DA 18-55mm WR
Digital Video Format H.264 H.264, MOV
Image Recording Format JPEG, RAW, RAW + JPEG, MPO JPEG, RAW + JPEG, DNG (RAW), PEF (RAW)
Max Video Resolution 1280 x 720 1920 x 1080
Microphone Operation Mode Stereo Stereo
Microphone Features - Sensitivity control
MEMORY Sony Alpha NEX C3K + 18-55mm OSS Pentax K-70 + DA 18-55mm WR
Memory Card Slot Memory Stick PRO Duo card, SD card SD card
Supported Memory Cards SD Memory Card, Memory Stick PRO Duo, SDXC Memory Card, Memory Stick PRO-HG Duo HX, SDHC Memory Card, Memory Stick PRO-HG Duo SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card
Memory Card Included - No
Included Memory Card 8 GB SDHC -
Image Storage 4912 x 3264
3568 x 2368
2448 x 1624
4912 x 2760
3568 x 2368
2448 x 1624
6000 x 4000
4608 x 3072
3072 x 2048
1920 x 1440
Video Capture H.264 - 1280 x 720 - 30 fps - 9Mbps
H.264 - 1280 x 720 - 30 fps - 6Mbps
H.264 - 640 x 480 - 30 fps - 3Mbps
H.264 - 1920 x 1080 i - 60 fps
H.264 - 1920 x 1080 i - 50 fps
H.264 - 1920 x 1080 p - 30 fps
H.264 - 1920 x 1080 p - 25 fps
H.264 - 1920 x 1080 p - 24 fps
H.264 - 1280 x 720 p - 60 fps
H.264 - 1280 x 720 p - 50 fps
BATTERY AND CHARGING Sony Alpha NEX C3K + 18-55mm OSS Pentax K-70 + DA 18-55mm WR
Battery Type Sony NP-FW50 Lithium Ion Pentax D-Li109 Lithium Ion
Details Li-ion rechargeable battery - 1080 mAh (included) Pentax D-Li109 Li-ion rechargeable battery (included)
Battery Life - Photo shooting - 410 shots (50% flash usage)
Photo shooting - 480 shots (flash off)
Playback - 4.5 hours
CONNECTIONS Sony Alpha NEX C3K + 18-55mm OSS Pentax K-70 + DA 18-55mm WR
Interface HDMI, USB 2.0 HDMI, USB 2.0, IEEE 802.11b/g/n
Connectivity Features - Remote control via mobile devices, remote live view
Print Standard DPOF support, Exif Print support, PRINT Image Matching Exif Print support
Computer Connectivity - Mac, Windows
Flash Terminal Hot shoe Hot shoe
Connector Type USB 2.0
HDMI output
USB 2.0 (5 pin Micro-USB Type B)
HDMI output (19 pin micro HDMI Type D)
Microphone (mini-phone 3.5mm)
FEATURES Sony Alpha NEX C3K + 18-55mm OSS Pentax K-70 + DA 18-55mm WR
Self-Timer Delay 10 sec, 2sec 2sec, 12sec
Continuous Shooting Speed 2.5 frames per second, 5.5 frames per second 3 frames per second, 6 frames per second
HDR Mode Auto HDR mode Auto HDR mode
Additional Features Built-in speaker, RGB primary colour filter, digital noise reduction, date/time stamp, digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, Intelligent Scene Recognition (iSCN), Sweep Panorama technology, LCD live view mode, shadow point display, highlight point display, Dynamic Range Optimizer, face detection, built-in help guide, automatic display brightness adjustment, Anti-motion Blur Mode, 3D Sweep Panorama technology, Constant AF Live View, Intelligent AUTO (iAUTO), NR Slow Shutter, High ISO NR RGB primary colour filter, digital image rotation, histogram display, cropping an image, resizing an image, interval shooting mode, in-camera film editing, mirror lock, in-camera RAW processing, peripheral illumination correction, horizon correction, HDR image enhancement technology, Dynamic Range Compensation, no anti-aliasing filter, Dual Axis Electronic Level, astrophotography optimised, noise reduction over long exposures, Lens Distortion Correction, high ISO speed noise reduction, colour moire correction, Lateral Chromatic Aberration Correction, anti-aliasing filter simulator, diffraction correction, Pixel Shift Resolution technology, multiple exposure capture
OTHERS Sony Alpha NEX C3K + 18-55mm OSS Pentax K-70 + DA 18-55mm WR
Included Accessories Battery charger, dust cap, body cap, lens cap, carrying case, shoulder strap, USB cable, flash carrying case Battery charger, dust cap, body cap, lens cap, shoulder strap, eyecup, shoe cap
Software Drivers & Utilities, Adobe Photoshop Elements, Sony Picture Motion Browser, Sony Image Data Converter SR, Sony Image Data Lightbox SR Drivers & Utilities
Max Operating Temperature 40 °C 40 °C
Min Operating Temperature 0 °C -10 °C
Service & Support Limited warranty - parts and labour - 1 year -
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