• 35mm 847.3mm2
  • 12.2 megapixels
  • ISO 100 - 102,400
  • Medium format 1,436.6mm2
  • 51.4 megapixels
  • ISO 100 - 204,800
  • Detailed specifications
  • Sony Alpha ILCE-A7S
  • Pentax 645Z
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Pentax 645D
645D vs 645Z
Successor: Sony A7S II
A7S vs A7S II 		 
General
Model Number: A7S 645Z
Alternate Model Number(s): ILCE-7S  
Camera Format: Compact System Camera Pro SLR
Currently Manufactured: Yes Yes
Retail Price: $2499.99 $8499.95
Street Price: $1,998.00 $4,845.43
Date Available: 2014-07-08 2014-06-15
Tripod Mount: Yes Yes
Weight: 17.9 oz (507 g)
includes batteries 		54.9 oz (1,555 g)
includes batteries
Size: 5.0 x 3.7 x 1.9 in.
(127 x 94 x 48 mm) 		6.1 x 4.6 x 4.8 in.
(156 x 117 x 123 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony Sony
Effective Megapixels: 12.2 51.4
Sensor Format: 35mm Medium format
Sensor size: 847.28mm2 (35.60mm x 23.80mm) 1436.64mm2 (43.80mm x 32.80mm)
Approximate Pixel Pitch: 8.40 microns 5.31 microns
Focal Length Multiplier: 1.0x 0.8x
Aspect Ratio: 3:2 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed None
Self-Cleaning: Yes Yes
Sensor shift image stabilization: No No
On-Sensor Phase Detect: No No
DxO Sensor Score: 87 101
DxO Color Depth Score (bits): 23.9 26.0
DxO Dynamic Range Score (evs): 13.2 14.7
DxO Maximum Effective ISO Score (iso): 3,702 4,505
Image Capture
Image Resolution: 4240 x 2832 (12.0 MP, 3:2),
4240 x 2384 (10.1 MP, 16:9),
2768 x 1848 (5.1 MP, 3:2),
2768 x 1560 (4.3 MP, Other),
2128 x 1416 (3.0 MP, 3:2),
2128 x 1200 (2.6 MP, Other),
12416 x 1856 (23.0 MP, Other),
8192 x 1856 (15.2 MP, Other),
2160 x 5536 (12.0 MP, Other),
2160 x 3872 (8.4 MP, Other) 		8256 x 6192 (51.1 MP, 4:3),
6192 x 5184 (32.1 MP, Other),
5376 x 4032 (21.7 MP, 4:3),
1920 x 1440 (2.8 MP, 4:3)
Image File Format: JPEG, RAW (14-bit ARW 2.3), RAW+JPEG JPEG, 14-bit PEF / DNG RAW, TIFF
Continuous-mode frames/second: 5.0 3.1
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60p/​60i/​50p/​50i/​30p/​25p/​24p)
1280x720 (120p/​100p)
1440x1080 (30p/​25p)
640x480 (30p/​25p) 		1920x1080 (60i/​50i/​30p/​25p/​24p)
1280x720 (60p/​50p/​30p/​25p/​24p)
Movie File Format: XAVC-S, AVCHD 2.0, MP4 with stereo sound MOV (MPEG-4 AVC/H.264) with stereo sound; Motion JPEG (AVI) for Interval Movie Record
Composite Video Out: No No
NTSC/PAL Switchable Video: n/a n/a
Video Usable as Viewfinder: n/a n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Sony E Pentax 645 bayonet
Lens: n/a n/a
Focal Length (35mm equivalent):    
Focal Length (actual):    
Zoom Ratio:    
Aperture Range:    
Integrated ND Filter: No No
Normal Focus Range:    
Macro Focus Range:    
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes
Digital Zoom Values: Up to 4x; 2x Clear Image Digital Zoom  
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 25-point contrast-detect AF: Wide (25 points), Center-weighted, Flexible Spot (S/M/L), Zone 27-point SAFOX 11+ Phase Difference Detection (25 cross type focus points in the center): Spot, Select, Expanded Area AF (S, M, L), Zone Select, Auto (27 AF Points)
Auto Focus Assist Light? Yes No
Manual Focus: Yes Yes
Viewfinder
Viewfinder: EVF / LCD Optical / LCD
Viewfinder Type: EVF: 0.5-inch (1.30cm) 2.4M-dot XGA color OLED, 100% coverage, 0.71x magnification, -4.0 to +3.0 diopter Trapezoid prism finder w/ interchangeable Natural-Bright-Matte focusing screen; Coverage: ~98%; Magnification: ~0.62x (55mmF2.8 at infinity), ~0.85x (75mmF2.8 at infinity); Diopter: -3.5 m to + 2.0 m-1; Eye Relief: ~21 mm (from view window), ~24.1 mm (from center of lens)
Focus Peaking: Yes Yes
EVF Resolution: 2,359,296 dots (786,432 pixels) n/a
Viewfinder Magnification (35mm equivalent): 0.71x 0.78x
Viewfinder Magnification (nominal/claimed): 0.71x 0.62x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.2
Rear Display Resolution: 921,600 dots (307,200 px) 1,036,800 dots (345,600 px)
Touchscreen: No No
Articulating Screen: Yes Yes
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 13.3x 16.0x
Top Deck Display: No Yes
Exposure
Maximum ISO (native): 102400 204800
Minimum ISO (native): 100 100
ISO Settings: Auto, 100 - 102,400, expandable to 50 - 409,600 Auto, 100-204800 in 1, 1/2 or 1/3EV steps
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent (4 settings), Flash, Custom, Color Temp./ Filter (2500-9900K with 15-step Magenta/Green compensation), Underwater Auto, Multi Auto, Daylight, Shade, Cloudy, Fluorescent Light (D: Daylight Color, N: Daylight White, W: Cool White, L: Warm White), Tungsten, Flash, CTE; Manual mode(s): Manual (up to 3 settings can be saved), Color Temperature (up to 3 settings can be saved), Copying the white balance settings of a captured image possible
Shutter Speed Range: 1/8000 - 30 sec 1/4000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 1200-zone Evaluative Multi-segment, Center-weighted, Spot 86K-pixel RBG sensor: Multi-segment metering, Center-weighted metering, Spot metering
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Scene Modes: Portrait, Landscape, Macro, Sports Action, Sunset, Night Portrait, Night Scene, Hand-held Twilight, Anti Motion Blur; Sweep Panorama; Picture Effect: Posterization (Color, B/W), Pop Color, Retro Photo, Partial Color (R, G, B, Y), High Contrast Monochrome, Toy Camera, Soft Highkey, Soft Focus, HDR Painting, Rich-tone Monochrome, Miniature, Watercolor, Illustration; Dynamic Range Optimizer (Auto/Level (1-5)), Auto High Dynamic Range: Auto Exposure Difference, Exposure Difference Level (1.0-6.0 EV, 1.0 EV step) Sensitivity Priority, Shutter & Aperture Priority; HDR Capture: Auto, Type1, Type2, Type3, Exposure Bracket Value adjustable, Auto Align (automatic composition correction function) available; Custom Image: Bright, Natural, Portrait, Landscape, Vibrant, Radiant, Muted, Bleach Bypass, Reversal Film, Monochrome, Cross Processing (Random, Preset 1-3, Favorite 1-3)
Self Timer: 2 or 10; 3/5 shots after 10 seconds 2 or 12 seconds
Time Lapse (intervalometer):   Yes
High Resolution Composite: No No
Flash
Built-in Flash: No No
Flash Modes: Flash off, Auto flash, Fill-flash, Slow Sync., Rear Sync., Hi-speed Sync, Wireless; Red-eye reduction: On/Off P-TTL; high-speed sync, wireless sync supported with compatible flash unit
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: n/a n/a
Max Flash Sync: 1/250 1/125
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps -2 to +1 EV
External Flash Connection: Multi Interface Hot shoe Hot shoe, X-sync socket
Built-In Wireless Flash Control:    
Image Storage
Usable Memory Types: MS PRO Duo / SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support: UHS-I UHS-I
Other Memory:    
Dual Card Slots: No Yes
RAW Capture Support: Yes Yes
Uncompressed Format: RAW (14-bit ARW 2.3), RAW+JPEG 14-bit PEF / DNG RAW, TIFF
Movie File Format: XAVC-S, AVCHD 2.0, MP4 with stereo sound MOV (MPEG-4 AVC/H.264) with stereo sound; Motion JPEG (AVI) for Interval Movie Record
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: Yes No
NFC: Yes No
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: Yes Yes
Headphone Jack: Yes No
External Connections: USB 2.0 High Speed,WiFi USB 3.0 Super Speed
PictBridge Compliant: No No
DPOF Compliant: Yes No
Remote Control: Yes Yes
Remote Control Type: Yes, via USB or Wi-Fi Optional wired or wireless
Connections (extended): Micro HDMI (Type-D), Multi Micro USB connector, Stereo microphone jack (3.5mm), Stereo headphone jack (3.5mm) Micro (Type-D) HDMI, DC input, Stereo microphone jack, wired remote socket
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.53 0.35
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.57 0.33
Buffer size for RAW shooting in single shot mode (frames): Unlimited 10
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): 0.52 0.33
Camera penalizes early shutter press? No Yes
JPEG shooting speed in burst mode (fps, max resolution): 5.0 3.1
Buffer size for JPEG shooting in burst mode (frames, max resolution): 62 12
RAW shooting speed in burst mode (fps): 5.0 3.1
Buffer size for RAW shooting in burst mode (frames): 39 10
RAW+JPEG shooting speed in burst mode (fps): 5.0 3.1
Buffer Size for RAW+JPEG shooting in burst mode (frames): 28 10
Shutter lag (full AF, wide/mid): 0.18 seconds 0.16 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):   1.17 seconds
Shutter lag (prefocused, live view - DSLR):   0.385 seconds
Shutter Lag (manual focus): 0.129 seconds 0.117 seconds
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused): 0.024 seconds 0.112 seconds
Shutter Lag (notes): Full AF lag, Multi-area AF mode = 0.183s OVF: Full AF lag, wide-area mode = 0.170s Live View: Full AF lag, Spot AF mode = 1.174s Prefocused = 0.385s
Startup Time: 2.0 seconds 1.5 seconds
Play -> Record Time: 0.5 seconds 0.7 seconds
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 380 shots  
Battery Life, Still (CIPA Rating OVF/EVF): 320 shots 650 shots
Battery Life, Video:    
Battery Form Factor: Proprietary NP-FW50 Proprietary D-LI90
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 2 x Proprietary NP-FW50 Lithium-ion rechargeable 1 x Proprietary D-LI90 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes Yes
Internal Charging Supported: Yes No
Software
Included Software:    
OS Compatibility:    
Miscellaneous
Notes & Features: 720p (1,280 x 720 pixel) video can be recorded at 120fps with an APS-C sensor crop. Can't record 4K video internally, but can output uncompressed 3,840 x 2,160 pixel 4K video over the HDMI port for recording on an external device. Can also output uncompressed Full HD (1,920 x 1,080 pixel) video. Can shoot still images at 5.0 fps in Speed Priority Continuous mode, or 2.5 fps otherwise. Battery life figure of 380 shots is for LCD monitor. Using electronic viewfinder, battery life falls to 320 shots. New 51.4MP AA-filterless CMOS sensor, PRIME III processor, 27-point SAFOX 11 AF, 86K RGB metering, Full HD video up to 60i, tilting LCD monitor with Live View, 3fps full-res continuous burst mode.