Sony Alpha7s II ILCE-7SM2 vs. Pentax 645Z

Camera Comparison, Reviews and Tests

Detailed comparison and review of Sony Alpha7s II ILCE-7SM2 and Pentax 645Z. 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.

Camera Specifications Comparison

Sony Alpha7s II ILCE-7SM2 vs. Pentax 645Z Comparison Chart
DESIGN AND DIMENSIONS Sony Alpha7s II ILCE-7SM2 Pentax 645Z
Product Type Digital camera - 4K - mirrorless system Digital camera - 1080p - SLR with Live View mode, movie recording
Lens Included Body only Body only
Height 9.57 cm 11.7 cm
Width 12.69 cm 15.6 cm
Depth 6.03 cm 12.3 cm
Weight 584 g 1.47 kg
Weight Details - Camera body only: 1.47 kg
Camera with battery and memory card: 1.55 kg
Enclosure Colour Black -
Protection - Dust-resistant, water-resistant
SENSOR Sony Alpha7s II ILCE-7SM2 Pentax 645Z
Sensor Resolution 12.2 Megapixel 51.4 Megapixel
Optical Sensor Type Exmor CMOS CMOS
Total Pixels 12,400,000 pixels 52,990,000 pixels
Effective Sensor Resolution 12,200,000 pixels 51,400,000 pixels
Optical Sensor Size Full Frame (35.8 x 23.9 mm) -
Frame Rate (Max Resolution) 30 fps 30 fps
Sensor Dust Reduction Yes Yes
Sensor Features Dust Reduction (image sensor vibration), Anti-Dust coating Dust Reduction (image sensor vibration)
Image Stabiliser Optical (5-axis Steady Shot) -
Built-in Optical Image Stabiliser Yes -
PROCESSOR Sony Alpha7s II ILCE-7SM2 Pentax 645Z
Image Processor BIONZ X -
LENS Sony Alpha7s II ILCE-7SM2 Pentax 645Z
Lens Mounting Type Sony E-mount Pentax 645AF
FOCUSING Sony Alpha7s II ILCE-7SM2 Pentax 645Z
Auto Focus TTL contrast detection TTL contrast and phase detection
Auto Focus Points (Zones) Qty 169 27
Auto Focus Features Focus Peaking function, Manual Focus Check Live View -
AE/AF Control Flex Focus Point, Face-priority AF, Subject-tracking AF, Eye detection AF -
Face Detection Face Recognition -
VIEWFINDER Sony Alpha7s II ILCE-7SM2 Pentax 645Z
Viewfinder Type Electronic - OLED Optical - trapezoid prism
Viewfinder Colour Support Colour -
Viewfinder Diagonal Size 0.5" -
Viewfinder Resolution 2,359,296 pixels -
Optical Viewfinder Field Coverage 100% 98%
Optical Viewfinder Magnification 0.78x 0.62x
Optical Viewfinder Dioptric Correction Range -4 to +3 -3.5 to +2
Field of View Crop Factor - 1.3
Features Viewfinder brightness control -
EXPOSURE & WHITE BALANCE Sony Alpha7s II ILCE-7SM2 Pentax 645Z
ISO (Max) 409600 204800
Native ISO - 100-204800
Extended ISO (Max) 409600 -
Extended ISO (Min) 50 -
Light Sensitivity ISO auto (100-12800), ISO 100-102400, ISO 50-409600 ISO auto (100-204800), ISO 100-248000
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 Programme, bulb, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority
Bracketing Modes Flash Exposure Bracketing -
Shooting Programs Landscape, portrait mode, action, macro, night portrait, night scene, sports mode, sunset, handheld twilight, anti-motion blur -
Special Effects 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 Natural, bright, Vibrant, monochrome, Muted, landscape, portrait, Cross Process, Bleach Bypass, Radiant, Reversal Film
White Balance Custom, automatic, presets Custom, automatic, presets
White Balance Presets Incandescent, cloudy, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), 2500K - 9900K, fluorescent light (daylight white) Tungsten light, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (warm white), fluorescent light (daylight colour), 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 ±5 EV range, in 1/2 or 1/3 EV steps
Auto Exposure Bracketing 3 or 5 steps -
White Balance Bracketing Yes -
X-sync Speed 1/250sec 1/125sec
Exposure Range EV -3-20 (ISO 100) EV -1-21 (ISO 200)
DISPLAY Sony Alpha7s II ILCE-7SM2 Pentax 645Z
Type 3" LCD display 3.2" LCD display
Display Format 1,228,800 pixels 1,037,000 pixels
Display Form Factor Folding Folding
Display Features Display brightness control Display brightness control, display colour control
VIDEOGRAPHY / CAMCORDER Sony Alpha7s II ILCE-7SM2 Pentax 645Z
Digital Video Format AVCHD, H.264, XAVC S, AVC MJPEG, H.264
Image Recording Format JPEG, RAW, RAW + JPEG JPEG, RAW, RAW + JPEG
Max Video Resolution 3840 x 2160 1920 x 1080
Surround Sound Dolby Digital AC-3 (2 channel) recording -
Microphone Operation Mode Stereo -
MEMORY Sony Alpha7s II ILCE-7SM2 Pentax 645Z
Memory Card Slot Memory Stick Micro (M2) card, Memory Stick PRO Duo card, SD card Dual SD card
Supported Memory Cards 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 SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card
Memory Card Included No No
Image Storage 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 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 Sony Alpha7s II ILCE-7SM2 Pentax 645Z
Battery Type Sony NP-FW50 Lithium Ion Pentax D-Li90 Lithium Ion
Details Sony NP-FW50 Li-ion rechargeable battery - 1080 mAh (included) Pentax D-Li90 Li-ion rechargeable battery (included)
Battery Life Photo shooting - 310 shots (EVF on)
Photo shooting - 370 shots (LCD Monitor on)
Photo shooting - 650 shots
Playback - 6.67 hours
CONNECTIONS Sony Alpha7s II ILCE-7SM2 Pentax 645Z
Interface HDMI, USB 2.0, IEEE 802.11b/g/n, NFC (Near Field Communication) HDMI, USB 3.0
Connectivity Features Remote control via mobile devices, remote live view -
Print Standard 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)
Microphone (mini-phone stereo 3.5 mm)
Headphones (mini-phone stereo 3.5 mm)
USB 3.0 (24 pin Micro-USB-C)
HDMI output (19 pin micro HDMI Type D)
Microphone (mini-phone stereo 3.5 mm)
DC power input
FEATURES Sony Alpha7s II ILCE-7SM2 Pentax 645Z
Self-Timer Delay 10 sec, 2sec, 5 sec 2sec, 12sec
Continuous Shooting Speed 2.5 frames per second, 5 frames per second 3 frames per second, 4.5 frames per second
HDR Mode Auto HDR mode -
Additional Features 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 RGB primary colour filter, interval shooting mode, peripheral illumination correction, Eye-Fi Card Ready, NR Slow Shutter, High ISO NR, Lateral Chromatic Aberration Correction, distortion correction function, anti-aliasing filter simulator, diffraction correction
OTHERS Sony Alpha7s II ILCE-7SM2 Pentax 645Z
Included Accessories Eyepiece cover, battery charger, shoulder strap, AC power adaptor, shoe cap, micro-USB cable, cable protector Carrying strap, battery charger, body cap, eyecup, shoe cap
Software - Drivers & Utilities
Max Operating Temperature 40 °C -
Min Operating Temperature 0 °C -
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