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Sony Alpha 1 II vs Sony Alpha SLT-A35

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

Better figure, where one is clearly better

SonyAlpha 1 IISonyAlpha SLT-A35
Overview
ReleasedDecember 2024July 2011
Image and sensor
Camera typeMirrorlessTranslucent mirror
Sensor formatFull frameAPS-C
Sensor typeStacked Exmor RS CMOS with integral memoryExmor APS HD CMOS
Sensor dimensions35.9 × 24 mm23.5 × 15.6 mm
Effective resolution50.1 MP16.2 MP
Largest image8640 × 57604912 × 3264
RAW recordingYesYes
Standard ISO range100–32000100–12800
Sensor detailApproximately 50.5 million total pixels; Pixel Shift Multi Shooting uses four or 16 exposures combined in compatible computer software.Fixed translucent mirror feeds the dedicated phase-detection module while the main sensor supplies live view; maker support page lists 16.5 million total pixels
Image formatsJPEG, HEIF and Sony ARW 5.0 RAW.JPEG, RAW (Sony ARW 2.2), RAW+JPEG and 3D panorama MPO; 3:2 or 16:9 stills
ISO detailStandard ISO 100–32000 for stills and movies; stills expand to ISO 50–102400.Auto ISO 100–1600; standard ISO 100–12800; multi-frame noise reduction extends to ISO 25600
Image processorBIONZ XR and dedicated AI processing unit.BIONZ
Lens and shooting
Lens mountSony E-mountSony A-mount
StabilisationSensor shiftSensor shift
Maximum continuous burst30 fps5.5 fps
Lens detail–Sony, Minolta and Konica Minolta A-mount AF lenses; official photograph shows the DT 18–55mm kit lens, separate from body specifications
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.15 phase-detection points, including three cross sensors; AF-S, AF-A, AF-C and manual focus; EV −1–18 at ISO 100; predictive tracking and flash AF assist
Shutter–1/4000–30 seconds and Bulb; flash sync 1/160 second
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.Full-resolution continuous shooting up to 5.5 fps with tracking AF; Tele-zoom Continuous Advance Priority AE reaches 7 fps with approximately 1.4× central crop to 8.4 MP JPEG. Maker Hi buffer: 14 Fine or 18 Standard JPEGs, six RAW or six RAW+JPEG; cropped mode 21 Fine or 29 Standard JPEGs. Card and shooting conditions affect performance
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.SteadyShot INSIDE sensor shift; maker claim approximately 2.5–4 stops, dependent on lens and conditions
Flash–Automatic pop-up flash, guide number 10 metres at ISO 100; ADI/pre-flash TTL; compatible external flash required for wireless and high-speed sync
Exposure controls–PASM, Auto, Auto+, scene and panorama modes; 1200-zone metering; ±2 EV compensation in 1/3 steps; D-Range Optimizer, Auto HDR and Picture Effects
Video
Highest video resolution7680 × 4320 at 30 fps1920 × 1080 at 25 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.PAL configuration: Full HD AVCHD at 50 interlaced fields per second with 25 fps sensor output, approximately 17 Mbps; MP4 up to 1440 × 1080 at 25 fps. Main frame rate is sensor output, not interlaced field rate; NTSC/PAL depends on sales region. Maker maximum movie recording approximately 29 minutes; Sony overseas brochure separately qualifies about 11 minutes with SteadyShot at room temperature
Audio–Built-in stereo microphone and mono playback speaker
Screen and viewfinder
ViewfinderElectronicElectronic
Screen size3.2″3″
Screen dots2,095,104921,600
TouchscreenYes–
Tilting screenYesNo
Display detailFour-axis TFT LCD opens approximately 98° up, 40° down and 180° sideways, with 270° rotation when opened sideways.Fixed Xtra Fine LCD with TruBlack technology; dots count colour subpixels
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.Tru-Finder with 1,152,000 effective dot equivalents and 1,440,000 total dot equivalents; 100% coverage and approximately 1.1× magnification with a 50 mm lens
Connections and design
Wi-FiYes–
BluetoothYes–
Battery life (maker's claim)520 photographs440 photographs
Body weight658 g415 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 Hong Kong states July 2011 availability; Sony UK and US state August 2011
Recording mediaBoth slots accept CFexpress 2.0 Type A or UHS-I/UHS-II SD.Single slot accepting SD/SDHC/SDXC, Memory Stick PRO Duo and PRO-HG Duo
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.USB 2.0 Hi-Speed and mini HDMI Type C; microphone and wired remote inputs
Wireless connectionsWi-Fi IEEE 802.11a/b/g/n/ac at 2.4/5 GHz and Bluetooth 5.0.–
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; overseas brochure and Hong Kong specification claim approximately 440 viewfinder or 420 LCD photographs under CIPA. Sony UK launch text/table reverses these to 420 viewfinder/440 LCD
Charging–Supplied BC-VW1 external charger
DimensionsApproximately 136.1 × 96.9 × 82.9 mm (width × height × maximum depth); grip-to-monitor depth 72.8 mm.Approximately 124.4 × 92 × 84.7 mm (width × height × depth), excluding protrusions
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.Sony overseas brochure and Hong Kong launch specification: approximately 415 g body only, 473 g with battery and Memory Stick PRO Duo. Malaysian support page instead lists 433 g body only
Materials–Polycarbonate outer body (PhotographyBlog and Photo Review)
Colours–Black
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.–

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