Sony Alpha 7 II vs Sony Alpha 7S

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Alpha 7 II compared with Alpha 7S

	SonyAlpha 7 II	SonyAlpha 7S
Overview
Released
Released	December 2014	June 2014
Image and sensor
Camera type
Camera type	Mirrorless	Mirrorless
Sensor format
Sensor format	Full frame	Full frame
Sensor type
Sensor type	Exmor CMOS	Exmor CMOS
Sensor dimensions
Sensor dimensions	35.8 × 23.9 mm	35.6 × 23.8 mm
Effective resolution
Effective resolution	24.3 MP	12.2 MP
Largest image
Largest image	6000 × 4000	4240 × 2832
RAW recording
RAW recording	Yes	Yes
Standard ISO range
Standard ISO range	100–25600	100–102400
Sensor detail
Sensor detail	Approximately 24.7 million total pixels; 3:2 sensor.	Approximately 12.4 million total pixels; 3:2 sensor; anti-static coating and ultrasonic dust reduction
Image formats
Image formats	JPEG, RAW and RAW+JPEG; Sony ARW 2.3; the current maker specification includes uncompressed RAW.	JPEG and RAW (Sony ARW 2.3); 14-bit RAW output; XAVC S, AVCHD 2.0 and MP4 movies
ISO detail
ISO detail	Standard still-image ISO 100–25600; expanded ISO 50, 64 and 80. Multi Shot NR reaches ISO 51200 by combining images rather than extending the standard single-image range.	Standard still-image ISO 100–102400; extended ISO 50–80 and 128000–409600; movie extended range reaches ISO 409600. UK support combines standard and extended settings, so the standard range follows Sony Japan's explicit specification.
Image processor
Image processor	BIONZ X.	BIONZ X
Lens and shooting
Lens mount
Lens mount	Sony E-mount	Sony E-mount
Stabilisation
Stabilisation	Sensor shift	Optical lens stabilisation
Maximum continuous burst
Maximum continuous burst	5 fps	5 fps
Lens detail
Lens detail	–	Interchangeable E-mount; full-frame FE lenses use the whole sensor; APS-C lenses can use a lower-resolution crop. ILCE-7S is supplied without a lens.
Autofocus
Autofocus	Fast Hybrid AF with 117 phase-detection points in full-frame mode and 25 contrast-detection points; single AF, continuous AF, direct manual focus and manual focus.	Contrast-detection AF with 25 points; maker detection range EV -4 to 20 at ISO 100 with an f/2 lens; AF-S, AF-C, direct manual focus and manual focus; Lock-on AF and Eye AF
Shutter
Shutter	Focal-plane shutter; 30 seconds to 1/8000 second plus Bulb; electronic first curtain can be enabled or disabled.	Electronically controlled focal-plane shutter; 30 seconds to 1/8000 second plus Bulb; flash sync 1/250 second with Sony flash; electronic first curtain and silent electronic shutter selectable
Burst detail
Burst detail	Up to approximately 5 fps in Continuous Hi with AF/AE tracking, according to Sony's announcement; approximately 2.5 fps in Continuous Lo. Speed varies with shooting conditions and the memory card.	Up to 5 fps Speed Priority Continuous or 2.5 fps normal continuous; maker speed-priority buffer approximately 30 RAW or 25 RAW+JPEG images. Photography Blog states speed priority fixes focus and exposure at the first frame, while normal continuous can update both.
Stabilisation detail
Stabilisation detail	Five-axis image-sensor shift; Sony claims 4.5 stops under CIPA conditions for pitch/yaw with Sonnar T* FE 55mm F1.8 ZA and long-exposure noise reduction off. Correction depends on the lens.	No sensor-shift stabilisation; optical correction requires a compatible stabilised lens
Flash
Flash	–	No built-in flash; Multi Interface Shoe supports compatible external flash
Exposure controls
Exposure controls	–	1200-zone evaluative metering; program, aperture priority, shutter priority and manual modes; exposure compensation ±5 EV, or ±3 EV using the dedicated dial
Video
Highest video resolution
Highest video resolution	1920 × 1080 at 60 fps	1920 × 1080 at 60 fps
Video detail
Video detail	Japanese specification lists XAVC S Full HD 60p, 30p and 24p at approximately 50 Mbps. The headline maximum reflects this NTSC/Japanese mode; no 4K movie recording. S-Log2 picture profiles and clean HDMI output are supported.	Internal Japanese/NTSC Full HD up to 1920 × 1080 at 60p, 30p or 24p in XAVC S at 50 Mbps; PAL modes include 50p/25p. 1280 × 720 at 120p NTSC automatically crops to APS-C; PAL offers 100p. 4K 3840 × 2160 at 30p/24p is HDMI output only and needs a compatible external recorder; 8-bit 4:2:2. S-Log2, timecode, zebra and recording-control features; approximately 29-minute internal clip limit.
Audio
Audio	Built-in stereo microphone; 3.5 mm microphone and headphone sockets.	Built-in stereo microphone; LPCM, Dolby Digital or AAC by recording format; adjustable levels; 3.5 mm microphone and headphone sockets; compatible optional shoe-mounted XLR adaptor
Screen and viewfinder
Viewfinder
Viewfinder	Electronic	Electronic
Screen size
Screen size	3″	3″
Screen dots
Screen dots	1,228,800	921,600
Touchscreen
Touchscreen	–	No
Tilting screen
Tilting screen	Yes	Yes
Display detail
Display detail	TFT screen tilts approximately 107° up and 41° down; dots count colour subpixels.	LCD tilts approximately 90° upwards and 45° downwards; no touchscreen
Viewfinder detail
Viewfinder detail	0.5-inch XGA OLED Tru-Finder; 2,359,296 dots; 100% coverage and approximately 0.71× magnification with a 50 mm lens at infinity.	0.5-type OLED; 2,359,296 dots; 100% coverage; approximately 0.71× magnification with a 50 mm lens at infinity
Connections and design
Wi-Fi
Wi-Fi	Yes	Yes
Battery life (maker's claim)
Battery life (maker's claim)	350 photographs	380 photographs
Body weight
Body weight	556 g	446 g (better)
Release detail
Release detail	Sony Japan specifies 5 December 2014 for the ILCE-7M2 body, following its 20 November announcement; this is the Japanese sale date, not a UK release claim.	Sony Japan specifies 20 June 2014 retail availability for ILCE-7S. This is the original 12.2 MP Alpha 7S, not a later 7S or the higher-resolution 7/7R families.
Recording media
Recording media	SD, SDHC and SDXC including UHS-I; Memory Stick PRO Duo, PRO-HG Duo and XC-HG Duo.	SD, SDHC and SDXC with UHS-I; Memory Stick PRO Duo, PRO-HG Duo and XC-HG Duo; XAVC S requires Class 10 SDXC
Ports
Ports	Multi/Micro USB, Micro HDMI, microphone and headphone sockets and Multi Interface Shoe.	Multi/Micro USB, Micro HDMI Type D, Multi Interface Shoe, 3.5 mm microphone and headphone sockets and vertical-grip connector
Wireless connections
Wireless connections	Wi-Fi IEEE 802.11b/g/n at 2.4 GHz and NFC.	Wi-Fi 802.11b/g/n at 2.4 GHz and NFC One-touch remote/sharing
Battery life detail
Battery life detail	NP-FW50; Sony's UK specification gives up to approximately 350 photographs.	NP-FW50; CIPA maker claim approximately 380 photographs using LCD or 320 using viewfinder
Charging
Charging	–	In-camera USB charging; optional AC-PW20 external power adaptor
Dimensions
Dimensions	Approximately 126.9 × 95.7 × 59.7 mm (width × height × depth), according to Sony's launch specification.	Approximately 126.9 × 94.4 × 54.8 mm from grip to viewfinder; 48.2 mm depth from grip to monitor
Weight detail
Weight detail	Approximately 556 g body only; 599 g with battery and Memory Stick PRO Duo; lens excluded.	Approximately 446 g body only; 489 g with battery and media; both exclude lens
Materials
Materials	Magnesium-alloy top and front covers and internal structure; dust- and moisture-resistant design, not a waterproof rating.	–
In the box
In the box	Power cord, NP-FW50 battery, AC adaptor, shoulder strap, body cap, accessory shoe cap, eyepiece cup and Micro USB cable, according to Sony UK.	Sony Japan lists two NP-FW50 batteries, BC-TRW charger, AC-UUD11 adaptor, cable protector, strap, USB cable, body/shoe caps and eyepiece cup. TechRadar reports one battery in its UK/Australian package; contents vary by region.