Pentax K-50 vs. Sony Alpha7s II ILCE-7SM2

Camera Comparison, Reviews and Tests

In depth comparison and review of Pentax K-50 and Sony Alpha7s II ILCE-7SM2. 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

Pentax K-50 vs. Sony Alpha7s II ILCE-7SM2 Comparison Chart
DESIGN AND DIMENSIONS Pentax K-50 Sony Alpha7s II ILCE-7SM2
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 584 g
Body Material Stainless steel, fibre reinforced polycarbonate -
Enclosure Colour Black | White | Red Black
Protection Weatherproof, freezeproof, dust-resistant -
SENSOR Pentax K-50 Sony Alpha7s II ILCE-7SM2
Sensor Resolution 16.3 Megapixel 12.2 Megapixel
Optical Sensor Type CMOS Exmor CMOS
Total Pixels 16,500,000 pixels 12,400,000 pixels
Effective Sensor Resolution 16,300,000 pixels 12,200,000 pixels
Optical Sensor Size APS-C (23.7 x 15.7 mm) Full Frame (35.8 x 23.9 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 Alpha7s II ILCE-7SM2
Image Processor PRIME M BIONZ X
LENS Pentax K-50 Sony Alpha7s II ILCE-7SM2
Lens Mounting Type Pentax KAF2 Sony E-mount
FOCUSING Pentax K-50 Sony Alpha7s II ILCE-7SM2
Auto Focus TTL contrast and phase detection TTL contrast detection
Auto Focus Points (Zones) Qty 11 169
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 Alpha7s II ILCE-7SM2
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 Alpha7s II ILCE-7SM2
ISO (Max) 51200 409600
Extended ISO (Max) - 409600
Extended ISO (Min) - 50
Light Sensitivity ISO 100-51200, ISO auto (100-51200) ISO auto (100-12800), ISO 100-102400, ISO 50-409600
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, action, 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 Black & White, Sepia, Neutral, Vivid, sunset, soft focus, illustration, landscape, portrait, Water Colour, miniature, clear, deep, autumn leaves, Retro, HDR, partial colour, Toy camera, Posterisation, High contrast monochrome, Pop Colour, Rich-tone monochrome, Soft High-key, Night Scene, Lighting, Standard
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 3 or 5 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 Alpha7s II ILCE-7SM2
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 Alpha7s II ILCE-7SM2
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 Alpha7s II ILCE-7SM2
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 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 Alpha7s II ILCE-7SM2
Memory Card Slot SD card Memory Stick Micro (M2) 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, Memory Stick Micro Mark2, 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
JPEG 4240 x 2832
JPEG 2768 x 1848
JPEG 2128 x 1416
JPEG 1376 x 920
JPEG 4240 x 2384
JPEG 2768 x 1560
JPEG 2128 x 1200
JPEG 1376 x 776
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
XAVC S - 3840 x 2160 - 30 fps
XAVC S - 3840 x 2160 - 24Mbps
XAVC S - 1920 x 1080 - 60 fps
XAVC S - 1920 x 1080 - 30 fps
XAVC S - 1920 x 1080 - 24 fps
XAVC S - 1920 x 1080 - 120 fps
AVCHD - 1920 x 1080 - 60 fps
AVCHD - 1920 x 1080 - 24 fps
H.264 - 1920 x 1080 - 60 fps
H.264 - 1920 x 1080 - 30 fps
H.264 - 1280 x 720 - 30 fps
BATTERY AND CHARGING Pentax K-50 Sony Alpha7s II ILCE-7SM2
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 - 310 shots (EVF on)
Photo shooting - 370 shots (LCD Monitor on)
CONNECTIONS Pentax K-50 Sony Alpha7s II ILCE-7SM2
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 Alpha7s II ILCE-7SM2
Self-Timer Delay 2sec, 12sec 10 sec, 2sec, 5 sec
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, histogram display, AE lock, AF lock, saturation control, Sweep Panorama technology, contrast control, Dynamic Range Optimizer, peripheral illumination correction, Dolby Digital Stereo Creator, Chromatic Aberration Compensation (CAC), x.v.Colour technology, Multi-Frame Noise Reduction, Intelligent AUTO (iAUTO), High ISO NR, high-speed recording, Superior Auto mode, noise reduction over long exposures, BRAVIA Sync function, PhotoTV HD, distortion correction function, Clean HDMI output for 4K movies
OTHERS Pentax K-50 Sony Alpha7s II ILCE-7SM2
Included Accessories Battery charger, body cap, shoulder strap, USB cable, eyecup, shoe cap Eyepiece cover, battery charger, shoulder strap, AC power adaptor, shoe cap, micro-USB cable, cable protector
Software Drivers & Utilities, SILKYPIX Developer Studio 3.0 -
Max Operating Temperature 40 °C 40 °C
Min Operating Temperature -10 °C 0 °C
Other projects: