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Sony Alpha 7S vs Sony Alpha 7S II

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

Better figure, where one is clearly better

SonyAlpha 7SSonyAlpha 7S II
Overview
ReleasedJune 2014October 2015
Image and sensor
Camera typeMirrorlessMirrorless
Sensor formatFull frameFull frame
Sensor typeExmor CMOSExmor CMOS
Sensor dimensions35.6 × 23.8 mm35.6 × 23.8 mm
Effective resolution12.2 MP12.2 MP
Largest image4240 × 28324240 × 2832
RAW recordingYesYes
Standard ISO range100–102400100–102400
Sensor detailApproximately 12.4 million total pixels; 3:2 sensor; anti-static coating and ultrasonic dust reductionApproximately 12.4 million total pixels; 3:2 sensor; charge protection coating and sensor-shift dust reduction
Image formatsJPEG and RAW (Sony ARW 2.3); 14-bit RAW output; XAVC S, AVCHD 2.0 and MP4 moviesJPEG and compressed or uncompressed 14-bit RAW (Sony ARW 2.3); XAVC S, AVCHD 2.0 and MP4 movies
ISO detailStandard still-image ISO 100–102400; 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.Standard still-image and movie ISO 100–102400; still-image extension ISO 50–80 and 128000–409600; movie extension reaches ISO 409600
Image processorBIONZ XBIONZ X
Lens and shooting
Lens mountSony E-mountSony E-mount
StabilisationOptical lens stabilisationSensor shift
Maximum continuous burst5 fps5 fps
Lens detailInterchangeable 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.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.
AutofocusContrast-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 AFContrast-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
ShutterElectronically 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 selectableElectronically 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 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.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 detailNo sensor-shift stabilisation; optical correction requires a compatible stabilised lensFive-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
FlashNo built-in flash; Multi Interface Shoe supports compatible external flashNo built-in flash; Multi Interface Shoe supports compatible external flash
Exposure controls1200-zone evaluative metering; program, aperture priority, shutter priority and manual modes; exposure compensation ±5 EV, or ±3 EV using the dedicated dial1200-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 resolution1920 × 1080 at 60 fps3840 × 2160 at 30 fps
Video detailInternal 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.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.
AudioBuilt-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 adaptorBuilt-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 dots921,6001,228,800
TouchscreenNoNo
Tilting screenYesYes
Display detailLCD tilts approximately 90° upwards and 45° downwards; no touchscreenLCD tilts approximately 107° upwards and 41° downwards; no touchscreen
Viewfinder detail0.5-type OLED; 2,359,296 dots; 100% coverage; approximately 0.71× magnification with a 50 mm lens at infinity0.5-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)380 photographs370 photographs
Body weight446 g584 g
Release detailSony 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.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 mediaSD, SDHC and SDXC with UHS-I; Memory Stick PRO Duo, PRO-HG Duo and XC-HG Duo; XAVC S requires Class 10 SDXCOne 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 Type D, Multi Interface Shoe, 3.5 mm microphone and headphone sockets and vertical-grip connectorMulti/Micro USB, Micro HDMI Type D, Multi Interface Shoe, 3.5 mm microphone and headphone sockets and vertical-grip connector
Wireless connectionsWi-Fi 802.11b/g/n at 2.4 GHz and NFC One-touch remote/sharingWi-Fi 802.11b/g/n at 2.4 GHz and NFC One-touch remote/sharing
Battery life detailNP-FW50; CIPA maker claim approximately 380 photographs using LCD or 320 using viewfinderNP-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
ChargingIn-camera USB charging; optional AC-PW20 external power adaptorIn-camera USB charging and USB power during operation; optional AC-PW20 adaptor
DimensionsApproximately 126.9 × 94.4 × 54.8 mm from grip to viewfinder; 48.2 mm depth from grip to monitorApproximately 126.9 × 95.7 × 60.3 mm
Weight detailApproximately 446 g body only; 489 g with battery and media; both exclude lensApproximately 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 boxSony 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.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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