Sony Alpha 7R vs Sony Alpha 7S

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Alpha 7R compared with Alpha 7S

	SonyAlpha 7R	SonyAlpha 7S
Overview
Released
Released	November 2013	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	35.9 × 24 mm	35.6 × 23.8 mm
Effective resolution
Effective resolution	36.4 MP	12.2 MP
Largest image
Largest image	7360 × 4912	4240 × 2832
RAW recording
RAW recording	Yes	Yes
Standard ISO range
Standard ISO range	100–25600	100–102400
Sensor detail
Sensor detail	Approximately 36.8 million total pixels; 3:2 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.	JPEG and RAW (Sony ARW 2.3); 14-bit RAW output; XAVC S, AVCHD 2.0 and MP4 movies
ISO detail
ISO detail	Standard single-image still ISO 100–25600; expanded ISO 50. Multi Frame NR reaches ISO 51200 by combining images.	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	Optical lens stabilisation	Optical lens stabilisation
Maximum continuous burst
Maximum continuous burst	4 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	Contrast-detection autofocus with 25 points; single AF, continuous AF, direct manual focus and manual focus. No on-sensor phase-detection points.	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 1/160 second. The Japanese specification lists no electronic first curtain.	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 4 fps in Speed Priority Continuous and 1.5 fps in normal continuous shooting. Sony's exact help guide says Speed Priority locks focus for subsequent frames; exposure may continue adjusting depending on AEL settings.	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	No sensor-shift stabilisation; optical correction depends on a compatible stabilised 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 AVCHD Full HD 60p at approximately 28 Mbps, plus 60i and 24p. The headline maximum reflects the Japanese/NTSC mode; PAL-region modes include 50p. HDMI 4K still-photo playback does not mean 4K movie recording.	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	921,600	921,600
Touchscreen
Touchscreen	No	No
Tilting screen
Tilting screen	Yes	Yes
Display detail
Display detail	TFT LCD tilts approximately 90° up and 45° down; no touchscreen according to Sony Japan's exact specification.	LCD tilts approximately 90° upwards and 45° downwards; no touchscreen
Viewfinder detail
Viewfinder detail	0.5-inch OLED electronic viewfinder; 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)	340 photographs	380 photographs
Body weight
Body weight	407 g (better)	446 g
Release detail
Release detail	Sony Japan specifies 15 November 2013 for the ILCE-7R 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	SD, SDHC and SDXC including UHS-I; Memory Stick PRO Duo and PRO-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 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 270 using the viewfinder; in-camera USB charging.	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 × 94.4 × 54.8 mm (width × height × maximum depth, including grip to viewfinder); grip-to-monitor depth 48.2 mm.	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 407 g body only; 465 g with battery and Memory Stick PRO Duo; lens excluded.	Approximately 446 g body only; 489 g with battery and media; both exclude lens
In the box
In the box	NP-FW50 battery, AC-UB10 adaptor, shoulder strap, Micro USB cable, body cap, accessory shoe cap and eyepiece cup, 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.