Pentax K-S1 vs. Sony Alpha7C ILCE-7C

Camera Comparison, Reviews and Tests

In depth comparison and review of Pentax K-S1 and Sony Alpha7C ILCE-7C. 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-S1 vs. Sony Alpha7C ILCE-7C Comparison Chart
DESIGN AND DIMENSIONS Pentax K-S1 Sony Alpha7C ILCE-7C
Product Type Digital camera - 1080p - SLR with Live View mode, movie recording Digital camera - 4K - mirrorless system
Lens Included Body only Body only
Height 9.3 cm 7.11 cm
Width 12 cm 12.4 cm
Depth 7 cm 5.35 cm
Weight 485 g 424 g
Weight Details - Camera body only: 424 g
Camera with battery and memory card: 509 g
Enclosure Colour White | Black Silver | Black
SENSOR Pentax K-S1 Sony Alpha7C ILCE-7C
Sensor Resolution 20.12 Megapixel 24.2 Megapixel
Optical Sensor Type CMOS Exmor R CMOS
Total Pixels 20,420,000 pixels 25,300,000 pixels
Effective Sensor Resolution 20,120,000 pixels 24,200,000 pixels
Optical Sensor Size APS-C (23.5 x 15.6 mm) Full Frame (35.6 x 23.8 mm)
Frame Rate (Max Resolution) - 30 fps
Sensor Dust Reduction Yes Yes
Sensor Features Special Protect (SP) coating Dust Reduction (image sensor vibration), Anti-Dust coating
Image Stabiliser - Optical (5-axis image sensor shift mechanism)
Built-in Optical Image Stabiliser - Yes
Sensors - Digital level metre
PROCESSOR Pentax K-S1 Sony Alpha7C ILCE-7C
Image Processor PRIME MII BIONZ X
LENS Pentax K-S1 Sony Alpha7C ILCE-7C
Lens Mounting Type Pentax KAF2 Sony E-mount
FOCUSING Pentax K-S1 Sony Alpha7C ILCE-7C
Auto Focus TTL phase detection TTL contrast and phase detection
Auto Focus Points (Zones) Qty 11 693
Auto Focus Features - Focus Peaking function, Predictive Focus Control
AE/AF Control Face-priority AF, Subject-tracking AF -
Face Detection Yes Eye Detect AF, Face Recognition, face-priority AF function
VIEWFINDER Pentax K-S1 Sony Alpha7C ILCE-7C
Viewfinder Type Optical - fixed eye-level pentaprism Electronic - OLED
Viewfinder Colour Support - Colour
Viewfinder Diagonal Size - 0.39"
Viewfinder Resolution - 2,359,296 pixels
Optical Viewfinder Field Coverage 100% 100%
Optical Viewfinder Magnification 0.95x 0.59x
Optical Viewfinder Dioptric Correction Range -2.5 to +1.5 -4 to +3
EXPOSURE & WHITE BALANCE Pentax K-S1 Sony Alpha7C ILCE-7C
ISO (Max) 51200 204800
Native ISO 100-51200 100-51200
Extended ISO (Max) - 204800
Extended ISO (Min) - 50
Light Sensitivity ISO 100-51200, ISO auto (100-51200) ISO 50, ISO auto (100-12800), ISO 204800, ISO 100-51200
Exposure Metering Multi-segment, centre-weighted, spot Multi-segment, centre-weighted, spot, average, highlight weighted
Exposure Metering Zones 77 1200
Exposure Modes Programme, automatic, manual, aperture-priority, shutter-priority, shutter & aperture priority Bulb, 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 -
Special Effects Natural, bright, Vibrant, monochrome, Muted, landscape, portrait, Cross Process, Bleach Bypass, Radiant, Reversal Film, Tone Expansion, Cold vintage, Colour Fade, Bold Monochrome, Unicolour Bold, Clear Tone, Warm Fade, Brilliant Colour, Infrared Filter Black & White, Sepia, Neutral, Vivid, sunset, landscape, portrait, clear, deep, light, autumn leaves, Retro, partial colour, Toy camera, Posterisation, High contrast monochrome, Pop Colour, Rich-tone monochrome, Soft High-key, Night Scene, Standard, Style Box, Posterisation (B/W)
White Balance Custom, automatic, presets Custom, automatic, presets
White Balance Presets Cloudy, tungsten light, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (warm white), Color Temperature Enhancement (CTE), fluorescent light (daylight colour), fluorescent light (daylight white) Incandescent, fluorescent, cloudy, Flash, daylight, shade, Underwater, 2500K - 9900K
Shutter Type Mechanical electronically-controlled Electronic, 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, 5 or 9 steps
White Balance Bracketing Yes -
X-sync Speed 1/180 sec 1/160 sec
Exposure Range EV 0-22 (ISO 100) EV -3-20 (ISO 100)
DISPLAY Pentax K-S1 Sony Alpha7C ILCE-7C
Type 3" LCD display 3" LCD display
Touch Screen - Yes
Display Format 921,000 pixels 921,600 pixels
Display Form Factor Built-in Rotating
Display Features Colour control, display brightness control Display brightness control
FLASH Pentax K-S1 Sony Alpha7C ILCE-7C
Camera Flash Pop-up flash -
Guide Number (m / ISO 100) 10 -
Flash Modes Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction -
Red-Eye Reduction Yes -
Features AF illuminator, flash +/- compensation -
VIDEOGRAPHY / CAMCORDER Pentax K-S1 Sony Alpha7C ILCE-7C
Digital Video Format H.264 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
Audio Signal Format - Linear PCM
Microphone Operation Mode Mono Stereo
Microphone Features Sensitivity control -
MEMORY Pentax K-S1 Sony Alpha7C ILCE-7C
Memory Card Slot SD card SD card
Supported Memory Cards SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDXC UHS-I Memory Card SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card, SDHC UHS-II Memory Card, SDXC UHS-II Memory Card
Memory Card Included - No
Image Storage - JPEG 6000 x 4000
JPEG 3936 x 2624
JPEG 3008 x 2000
JPEG 3936 x 2624
JPEG 1968 x 1312
JPEG 5328 x 4000
JPEG 3488 x 2624
JPEG 2656 x 2000
JPEG 3488 x 2624
JPEG 1744 x 1312
JPEG 6000 x 3376
JPEG 3936 x 2216
JPEG 3008 x 1688
JPEG 3008 x 1688
JPEG 1968 x 1112
JPEG 4000 x 4000
JPEG 2624 x 2624
JPEG 2000 x 2000
JPEG 1312 x 1312
Video Capture H.264 - 1920 x 1080 - 30 fps
H.264 - 1920 x 1080 - 25 fps
H.264 - 1920 x 1080 - 24 fps
XAVC S - 3840 x 2160 p - 30 fps
XAVC S - 3840 x 2160 p - 24 fps
XAVC S - 3840 x 2160 p - 25 fps
XAVC S HD - 1920 x 1080 p - 120 fps
XAVC S HD - 1920 x 1080 p - 60 fps
XAVC S HD - 1920 x 1080 p - 30 fps
XAVC S HD - 1920 x 1080 p - 24 fps
XAVC S HD - 1920 x 1080 p - 100 fps
XAVC S HD - 1920 x 1080 p - 50 fps
XAVC S HD - 1920 x 1080 p - 25 fps
BATTERY AND CHARGING Pentax K-S1 Sony Alpha7C ILCE-7C
Battery Type Pentax D-Li109 Lithium Ion Sony NP-FZ100
Details Pentax D-Li109 Li-ion rechargeable battery (included) Sony NP-FZ100 Li-ion rechargeable battery (included)
Battery Life Photo shooting - 480 shots (50% flash usage)
Playback - 4.5 hours
Photo shooting - 680 shots (EVF on)
Photo shooting - 740 shots (LCD Monitor on)
Video recording - 140 minutes
CONNECTIONS Pentax K-S1 Sony Alpha7C ILCE-7C
Interface HDMI USB-C, Wireless LAN, NFC (Near Field Communication), Bluetooth 4.1
Connectivity Features - Remote control via mobile devices, remote live view, Wireless Image Transfer
Print Standard DPOF support, Exif Print support DPOF support, Exif Print support, PRINT Image Matching
Flash Terminal Hot shoe Hot shoe
Connector Type USB 2.0
HDMI output (19 pin micro HDMI Type D)
USB 3.2 Gen 1 (USB Type-C)
Microphone (mini-phone stereo 3.5 mm)
Headphones (mini-phone stereo 3.5 mm)
FEATURES Pentax K-S1 Sony Alpha7C ILCE-7C
Self-Timer Delay 2sec, 12sec 10 sec, 2sec, 5 sec
Continuous Shooting Speed 3 frames per second, 5.4 frames per second 8 frames per second, 3 frames per second, 10 frames per second, 6 frames per second
HDR Mode Auto HDR mode Auto HDR mode
Additional Features RGB primary colour filter, depth-of-field preview button, digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, cropping an image, resizing an image, saturation control, in-camera film editing, in-camera RAW processing, HDR image enhancement technology, hue control, Eye-Fi Card Ready, LED body illumination Built-in speaker, histogram display, colour control, saturation control, interval shooting mode, Dynamic Range Optimizer, USB charging, built-in help guide, Chromatic Aberration Compensation (CAC), x.v.Colour technology, Intelligent AUTO (iAUTO), fast motion recording, noise reduction over long exposures, high ISO speed noise reduction, PlayMemories Camera Apps support, silent shooting, BRAVIA Sync function, PhotoTV HD, GPS via mobile, S-Log2 gamma setting, slow motion recording, Clear Image Zoom 2.0x, peripheral shading correction, image distortion correction, anti-flicker, Hybrid Log-Gamma (HLG) recording, S-Log3 gamma setting
OTHERS Pentax K-S1 Sony Alpha7C ILCE-7C
Included Accessories Battery charger, body cap, shoulder strap, eyecup, shoe cap Body cap
Software Drivers & Utilities -
Max Operating Temperature 40 °C 40 °C
Min Operating Temperature -10 °C 0 °C
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