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Sony Alpha 7R II vs Sony Alpha 7S II

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

SonyAlpha 7R IISonyAlpha 7S II
Overview
ReleasedAugust 2015October 2015
Image and sensor
Camera typeMirrorlessMirrorless
Sensor formatFull frameFull frame
Sensor typeBack-illuminated Exmor R CMOSExmor CMOS
Sensor dimensions35.9 × 24 mm35.6 × 23.8 mm
Effective resolution42.4 MP12.2 MP
Largest image7952 × 53044240 × 2832
RAW recordingYesYes
Standard ISO range100–25600100–102400
Sensor detailApproximately 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; charge protection coating and sensor-shift dust reduction
Image formatsJPEG, RAW and RAW+JPEG; Sony ARW 2.3. Current maker specifications include uncompressed RAW and 14-bit output.JPEG and compressed or uncompressed 14-bit RAW (Sony ARW 2.3); XAVC S, AVCHD 2.0 and MP4 movies
ISO detailStandard still-image ISO 100–25600; expanded ISO 50–102400. Multi Shot NR combines images separately from single-image sensitivity.Standard still-image and movie ISO 100–102400; still-image extension ISO 50–80 and 128000–409600; movie extension reaches ISO 409600
Image processor–BIONZ X
Lens and shooting
Lens mountSony E-mountSony E-mount
StabilisationSensor shiftSensor shift
Maximum continuous burst5 fps5 fps
Lens detail–Interchangeable E-mount; full-frame FE lenses use the whole sensor; APS-C still-image crop is available. ILCE-7SM2 is supplied without a lens.
AutofocusFast 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 169 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
ShutterFocal-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; electronic first curtain and silent electronic shutter selectable
Burst detailUp 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 with focus and exposure fixed at the first frame; 2.5 fps normal continuous. Maker speed-priority buffer approximately 31 compressed RAW or 24 uncompressed RAW images.
Stabilisation detailFive-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.Five-axis sensor-shift correction; maker claim 4.5 stops under CIPA pitch/yaw testing with the FE 55 mm f/1.8 ZA lens and long-exposure noise reduction off; compatible OSS lenses divide correction between lens and body
Flash–No built-in flash; Multi Interface Shoe supports compatible external flash
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 resolution3840 × 2160 at 30 fps3840 × 2160 at 30 fps
Video detailJapanese 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 full-frame 3840 × 2160 at 30p/24p NTSC or 25p PAL in XAVC S up to 100 Mbps; Full HD up to 120p NTSC or 100p PAL. Photo Review identifies internal recording as 8-bit 4:2:0; HDMI output is 8-bit 4:2:2. Sony specifies full-frame 4K recording/output, despite Photography Blog describing Super 35 capture. S-Log2/S-Log3, gamma display assist, timecode and zebra features; approximately 29-minute internal clip limit.
AudioStereo 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; optional compatible shoe-mounted XLR adaptor
Screen and viewfinder
ViewfinderElectronicElectronic
Screen size3″3″
Screen dots1,228,8001,228,800
TouchscreenNoNo
Tilting screenYesYes
Display detailTFT LCD tilts approximately 107° up and 41° down; no touchscreen.LCD tilts approximately 107° upwards and 41° downwards; no touchscreen
Viewfinder detail0.5-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 0.78× magnification with a 50 mm lens at infinity
Connections and design
Wi-FiYesYes
Battery life (maker's claim)340 photographs370 photographs
Body weight582 g584 g
Release detailSony Japan specifies 7 August 2015 for the ILCE-7RM2 body; this is the Japanese sale date, not a UK release claim.Sony USA specifies October 2015 retail availability; Sony Japan gives 16 October 2015. Photo Review found the original Alpha 7S still offered alongside the II, so no exclusive replacement link is inferred.
Recording mediaSingle slot supports SD, SDHC and SDXC including UHS-I, plus compatible Memory Stick formats.One combined SD/Memory Stick slot; SD, SDHC and SDXC with UHS-I support; Memory Stick PRO Duo and PRO-HG Duo; XAVC S requires Class 10 SDXC, with UHS Speed Class 3 for 100 Mbps recording
PortsMulti/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 connectionsWi-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 detailNP-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 370 photographs using LCD or 310 using viewfinder; continuous movie claim approximately 100 minutes with LCD or 95 with viewfinder
Charging–In-camera USB charging and USB power during operation; optional AC-PW20 adaptor
DimensionsApproximately 126.9 × 95.7 × 60.3 mm (width × height × depth, grip to monitor).Approximately 126.9 × 95.7 × 60.3 mm
Weight detailApproximately 582 g body only; 625 g with battery and memory card; lens excluded.Approximately 584 g body only; 627 g with battery and Memory Stick PRO Duo; both exclude lens. Photography Blog states 582 g body only, differing from Sony UK and Japan.
Materials–Magnesium-alloy top, front, rear and internal frame
In the boxTwo NP-FW50 batteries, strap, cable protector, AC-UUD11 adaptor, BC-VW1 battery charger and Micro USB cable, according to Sony Japan.Sony UK lists NP-FW50 battery, BC-VW1 charger, AC-UUD11 adaptor, cable protector, strap, USB cable, body/shoe caps and eyepiece cup; Sony Japan and Photo Review list two batteries

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