Sony Alpha 7R II vs Sony Alpha 7S

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Alpha 7R II compared with Alpha 7S

	SonyAlpha 7R II	SonyAlpha 7S
Overview
Released
Released	August 2015	June 2014
Image and sensor
Camera type
Camera type	Mirrorless	Mirrorless
Sensor format
Sensor format	Full frame	Full frame
Sensor type
Sensor type	Back-illuminated Exmor R CMOS	Exmor CMOS
Sensor dimensions
Sensor dimensions	35.9 × 24 mm	35.6 × 23.8 mm
Effective resolution
Effective resolution	42.4 MP	12.2 MP
Largest image
Largest image	7952 × 5304	4240 × 2832
RAW recording
RAW recording	Yes	Yes
Standard ISO range
Standard ISO range	100–25600	100–102400
Sensor detail
Sensor detail	Approximately 43.6 million total pixels; 3:2 back-illuminated sensor without an optical low-pass filter.	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. Current maker specifications include uncompressed RAW and 14-bit output.	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 50–102400. Multi Shot NR combines images separately from single-image sensitivity.	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
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 399 full-frame phase-detection points and 25 contrast points; 357 phase points in APS-C mode. Eye AF and continuous AF supported.	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; flash sync 1/250 second. Electronic first curtain and silent shooting supported.	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 tracking, as Sony's launch announcement specifies; approximately 2.5 fps in Lo. Maker buffers include 23 compressed RAW or nine uncompressed RAW frames; speed depends on conditions.	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 sensor shift; Sony claims 4.5 stops under CIPA pitch/yaw conditions with Sonnar T* FE 55mm F1.8 ZA and long-exposure noise reduction off. Correction depends on lens compatibility.	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	3840 × 2160 at 30 fps	1920 × 1080 at 60 fps
Video detail
Video detail	Japanese specification lists XAVC S 4K at 30p or 24p and up to 100 Mbps; headline maximum reflects the Japanese/NTSC mode. Full-pixel readout without binning applies to Super 35mm 4K, not every full-frame recording mode. S-Log2; 8-bit 4:2:2 HDMI output. Full HD 60p and HD 720p120 are separate lower-resolution modes.	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	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	No
Tilting screen
Tilting screen	Yes	Yes
Display detail
Display detail	TFT LCD tilts approximately 107° up and 41° down; no touchscreen.	LCD tilts approximately 90° upwards and 45° downwards; no touchscreen
Viewfinder detail
Viewfinder detail	0.5-inch electronic viewfinder with 2,359,296 dots, 100% coverage and approximately 0.78× 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)	340 photographs	380 photographs
Body weight
Body weight	582 g	446 g (better)
Release detail
Release detail	Sony Japan specifies 7 August 2015 for the ILCE-7RM2 body; 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	Single slot supports SD, SDHC and SDXC including UHS-I, plus compatible Memory Stick formats.	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; CIPA approximately 340 photographs using the LCD or 290 using the viewfinder. In-camera charging and USB power supported.	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 × 60.3 mm (width × height × depth, grip to monitor).	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 582 g body only; 625 g with battery and memory card; lens excluded.	Approximately 446 g body only; 489 g with battery and media; both exclude lens
In the box
In the box	Two NP-FW50 batteries, strap, cable protector, AC-UUD11 adaptor, BC-VW1 battery charger and Micro USB cable, according to Sony Japan.	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.