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.
DESIGN AND DIMENSIONS | Pentax K-S1 | Sony Alpha7C ILCE-7C |
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Product Type | Digital camera - 1080p - SLR with Live View mode, movie recording | Digital camera - 4K - mirrorless system |
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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 |
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Sensor Resolution | 20.12 Megapixel | 24.2 Megapixel |
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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 |
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Image Processor | PRIME MII | BIONZ X |
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LENS | Pentax K-S1 | Sony Alpha7C ILCE-7C |
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Lens Mounting Type | Pentax KAF2 | Sony E-mount |
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FOCUSING | Pentax K-S1 | Sony Alpha7C ILCE-7C |
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Auto Focus | TTL phase detection | TTL contrast and phase detection |
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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 |
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Viewfinder Type | Optical - fixed eye-level pentaprism | Electronic - OLED |
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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 |
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ISO (Max) | 51200 | 204800 |
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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 |
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Type | 3" LCD display | 3" LCD display |
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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 |
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Camera Flash | Pop-up flash | - |
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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 |
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Digital Video Format | H.264 | H.264, XAVC S |
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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 |
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Memory Card Slot | SD card | SD card |
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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 |
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Battery Type | Pentax D-Li109 Lithium Ion | Sony NP-FZ100 |
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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 |
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Interface | HDMI | USB-C, Wireless LAN, NFC (Near Field Communication), Bluetooth 4.1 |
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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 |
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Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec, 5 sec |
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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 |
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Included Accessories | Battery charger, body cap, shoulder strap, eyecup, shoe cap | Body cap |
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Software | Drivers & Utilities | - |
Max Operating Temperature | 40 °C | 40 °C |
Min Operating Temperature | -10 °C | 0 °C |