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Sony Alpha 1 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 1 IISonyAlpha 7S II
Overview
ReleasedDecember 2024October 2015
Image and sensor
Camera typeMirrorlessMirrorless
Sensor formatFull frameFull frame
Sensor typeStacked Exmor RS CMOS with integral memoryExmor CMOS
Sensor dimensions35.9 × 24 mm35.6 × 23.8 mm
Effective resolution50.1 MP12.2 MP
Largest image8640 × 57604240 × 2832
RAW recordingYesYes
Standard ISO range100–32000100–102400
Sensor detailApproximately 50.5 million total pixels; Pixel Shift Multi Shooting uses four or 16 exposures combined in compatible computer software.Approximately 12.4 million total pixels; 3:2 sensor; charge protection coating and sensor-shift dust reduction
Image formatsJPEG, HEIF and Sony ARW 5.0 RAW.JPEG and compressed or uncompressed 14-bit RAW (Sony ARW 2.3); XAVC S, AVCHD 2.0 and MP4 movies
ISO detailStandard ISO 100–32000 for stills and movies; stills expand to ISO 50–102400.Standard still-image and movie ISO 100–102400; still-image extension ISO 50–80 and 128000–409600; movie extension reaches ISO 409600
Image processorBIONZ XR and dedicated AI processing unit.BIONZ X
Lens and shooting
Lens mountSony E-mountSony E-mount
StabilisationSensor shiftSensor shift
Maximum continuous burst30 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.
AutofocusUp to 759 phase-detection points for stills and movies; sensitivity EV −4 to 20 in AF-S with an F2 lens at ISO 100. Automatic or selected recognition of people, animals, birds, insects, cars, trains and aircraft. Sony's current feature page specifies Real-time Recognition AF+ from firmware version 4.00; launch reviews describe earlier firmware.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
Shutter–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 30 fps electronic Hi+ with AF/AE tracking under compatible-lens and maker conditions; uncompressed or lossless-compressed RAW up to 20 fps; mechanical Hi+ up to 10 fps. Pre-Capture retains up to one second before full shutter press, subject to camera temperature and shooting conditions. A custom button can temporarily change burst speed.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; centre 8.5 stops and periphery 7.0 stops under CIPA 2024 pitch/yaw/roll conditions with FE 50mm F1.2 GM and long-exposure noise reduction off. Active and Dynamic Active movie modes narrow the field of view and are unavailable in 8K or at frame rates of 120 fps or higher.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 resolution7680 × 4320 at 30 fps3840 × 2160 at 30 fps
Video detailSony's current feature page lists internal 7680 × 4320 30p XAVC HS with 8.6K oversampling and 10-bit 4:2:2 support. Lower-resolution 4K up to 120p has approximately 10% crop; Full HD 240 fps is lower resolution. S-Log3, S-Cinetone and imported LUTs supported; external HDMI RAW is separate from internal recording.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.
Audio–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 size3.2″3″
Screen dots2,095,1041,228,800
TouchscreenYesNo
Tilting screenYesYes
Display detailFour-axis TFT LCD opens approximately 98° up, 40° down and 180° sideways, with 270° rotation when opened sideways.LCD tilts approximately 107° upwards and 41° downwards; no touchscreen
Viewfinder detail0.64-inch Quad-XGA OLED with 9437184 dots and approximately 0.90× magnification with a 50 mm lens at infinity. Selectable 60/120/240 fps; standard magnification is unavailable at 240 fps.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
BluetoothYes–
Battery life (maker's claim)520 photographs370 photographs
Body weight658 g584 g
Release detailSony UK specifies availability in December 2024; no release day inferred. Exact technical figures use Sony Japan because the UK specification URLs were inaccessible during research.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 mediaBoth slots accept CFexpress 2.0 Type A or UHS-I/UHS-II SD.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
PortsUSB Type-C at 10 Gbps, Multi/Micro USB, full-size HDMI, 2.5GBASE-T Ethernet, sync terminal, 3.5 mm microphone and headphone sockets and digital-audio 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 802.11a/b/g/n/ac at 2.4/5 GHz and Bluetooth 5.0.Wi-Fi 802.11b/g/n at 2.4 GHz and NFC One-touch remote/sharing
Battery life detailNP-FZ100; Sony Japan CIPA approximately 520 photographs with LCD or 420 with viewfinder. PhotographyBlog's 530/400 figures are not used. USB Type-C Power Delivery charging and 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 136.1 × 96.9 × 82.9 mm (width × height × maximum depth); grip-to-monitor depth 72.8 mm.Approximately 126.9 × 95.7 × 60.3 mm
Weight detailApproximately 658 g body only or 743 g with battery and memory card, excluding lens. PhotographyBlog's inconsistent 617 g figure is not used.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 boxOne NP-FZ100 battery, BC-ZD1 dual-battery charger, cable protector, shoulder strap, body cap, accessory shoe cap and FDA-EP19/FDA-EP21 eyepiece cups, according to Sony Japan. USB Power Delivery AC adaptor and USB cable are not included.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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