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Sony Alpha 9 III vs Sony Alpha SLT-A35

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

Better figure, where one is clearly better

SonyAlpha 9 IIISonyAlpha SLT-A35
Overview
ReleasedJanuary 2024July 2011
Image and sensor
Camera typeMirrorlessTranslucent mirror
Sensor formatFull frameAPS-C
Sensor typeStacked Exmor RS CMOS with global shutterExmor APS HD CMOS
Sensor dimensions35.6 × 23.8 mm23.5 × 15.6 mm
Effective resolution24.6 MP16.2 MP
Largest image6000 × 40004912 × 3264
RAW recordingYesYes
Standard ISO range250–25600100–12800
Sensor detailApproximately 25.2 million total pixels; integral memory and global exposure rather than sequential line exposure.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 250–25600 for stills and movies; stills expand to ISO 125–51200.Auto ISO 100–1600; standard ISO 100–12800; multi-frame noise reduction extends to ISO 25600
Image processorBIONZ XR with dedicated AI processing unit.BIONZ
Lens and shooting
Lens mountSony E-mountSony A-mount
StabilisationSensor shiftSensor shift
Maximum continuous burst120 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 still-image or 627 movie phase-detection points; sensitivity EV −5 to 20 with an F2 lens at ISO 100 equivalent. Current UK specification includes automatic subject selection and people, animals, birds, insects, cars, trains and aircraft; launch reviews precede later firmware enhancements.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 120 fps full-resolution electronic bursts with AF/AE tracking under Sony test conditions; speed depends on lens compatibility and shooting settings. Pre-Capture retains up to one second before full shutter press. No mechanical shutter.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; 8.0-stop CIPA pitch/yaw claim with FE 50mm F1.2 GM and long-exposure noise reduction off. Active and Dynamic Active movie modes supported.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 resolution3840 × 2160 at 120 fps1920 × 1080 at 25 fps
Video detailUp to uncropped 3840 × 2160 120p NTSC or 100p PAL; 4K 60p uses 6K oversampling. Supports 10-bit 4:2:2, S-Log3 and S-Cinetone; All-Intra 4K tops out at 60p. External HDMI RAW output 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 LCD tilts and opens sideways; approximately 98° up, 40° down, 180° sideways and 270° rotation.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 up to 240 fps NTSC or 200 fps PAL.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)530 photographs440 photographs
Body weight617 g415 g
Release detailSony UK announced availability in January 2024; Japan's announcement specifies 26 January. The main date retains UK month precision.Sony Hong Kong states July 2011 availability; Sony UK and US state August 2011
Recording mediaBoth slots accept CFexpress 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, 1000BASE-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 UK CIPA approximately 530 photographs with LCD or 400 with viewfinder. Japan lists 520/410 respectively. 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 detailSony UK specifies approximately 617 g body only or 702 g with battery and memory card; Japan specifies 618/703 g respectively. Main figures use the UK specification.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 boxNP-FZ100 battery, BC-QZ1 charger, power cord, cable protector, shoulder strap, body cap, accessory shoe cap and eyepiece cup, according to Sony UK.–

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