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Sony Alpha SLT-A35 vs Sony Alpha SLT-A77

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

Better figure, where one is clearly better

SonyAlpha SLT-A35SonyAlpha SLT-A77
Overview
ReleasedJuly 2011September 2011
Image and sensor
Camera typeTranslucent mirrorTranslucent mirror
Sensor formatAPS-CAPS-C
Sensor typeExmor APS HD CMOSExmor APS HD CMOS
Sensor dimensions23.5 × 15.6 mm23.5 × 15.6 mm
Effective resolution16.2 MP24.3 MP
Largest image4912 × 32646000 × 4000
RAW recordingYesYes
Standard ISO range100–12800100–16000
Sensor detailFixed translucent mirror feeds the dedicated phase-detection module while the main sensor supplies live view; maker support page lists 16.5 million total pixels24.7 million total photosites; fixed translucent mirror feeds a dedicated phase-detection AF sensor while the main sensor supplies live view
Image formatsJPEG, RAW (Sony ARW 2.2), RAW+JPEG and 3D panorama MPO; 3:2 or 16:9 stillsJPEG, RAW (Sony ARW 2.3), RAW+JPEG and 3D MPO panoramas; 3:2 or 16:9 stills
ISO detailAuto ISO 100–1600; standard ISO 100–12800; multi-frame noise reduction extends to ISO 25600Auto ISO 100–12800 with adjustable limits; expanded ISO 50; multi-frame noise reduction ISO 100–25600; main ISO range excludes expansion
Image processorBIONZBIONZ
Lens and shooting
Lens mountSony A-mountSony A-mount
StabilisationSensor shiftSensor shift
Maximum continuous burst5.5 fps12 fps
Lens detailSony, Minolta and Konica Minolta A-mount AF lenses; official photograph shows the DT 18–55mm kit lens, separate from body specificationsCompatible Sony, Minolta and Konica Minolta A-mount AF lenses; kit lenses are separate from body specifications
Autofocus15 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 assist19-point phase-detection AF with 11 cross sensors; EV −1–18 at ISO 100 with an F2.8 lens; AF-S, AF-A, AF-C, direct manual and manual focus; tracking AF and built-in LED assist
Shutter1/4000–30 seconds and Bulb; flash sync 1/160 second1/8000–30 seconds and Bulb; flash sync 1/250 second; selectable electronic first curtain; maker-rated approximately 150,000 shutter operations
Burst detailFull-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 performanceUp to 12 fps at full resolution in Continuous Advance Priority AE with continuous phase-detection AF; ordinary drive 8 fps Hi or 3 fps Lo. Maker buffer claim at 12 fps: 13 Extra Fine JPEG, 17 Fine/Standard JPEG, 13 RAW or 11 RAW+JPEG frames; ordinary drive reaches 18 Fine/Standard JPEG frames. Performance depends on card and shooting conditions.
Stabilisation detailSteadyShot INSIDE sensor shift; maker claim approximately 2.5–4 stops, dependent on lens and conditionsSteadyShot INSIDE sensor shift for stills, maker claim approximately 2.5–4.5 stops; electronic stabilisation for movies
FlashAutomatic pop-up flash, guide number 10 metres at ISO 100; ADI/pre-flash TTL; compatible external flash required for wireless and high-speed syncAutomatic pop-up flash, guide number 12 in metres at ISO 100; ADI, pre-flash TTL and manual output; ±3 EV flash compensation; external compatible flash required for wireless and high-speed sync
Exposure controlsPASM, Auto, Auto+, scene and panorama modes; 1200-zone metering; ±2 EV compensation in 1/3 steps; D-Range Optimizer, Auto HDR and Picture EffectsPASM, Auto, Auto+, scene, panorama and memory-recall modes; 1200-zone metering; ±5 EV exposure compensation in 1/3 or 1/2 steps; three-frame Auto HDR, D-Range Optimizer and Picture Effects
Video
Highest video resolution1920 × 1080 at 25 fps1920 × 1080 at 60 fps
Video detailPAL 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 temperatureJapan/NTSC model: 1920 × 1080 AVCHD 2.0 at 60p/28 Mbps, 60i/24 or 17 Mbps, and 24p/24 or 17 Mbps; PAL models use 50p, 50i and 25p. MP4 supports 1440 × 1080 or VGA. P/A/S/M movie exposure modes require manual focus; continuous phase-detection AF is available with automatic movie exposure.
AudioBuilt-in stereo microphone and mono playback speakerBuilt-in stereo microphone with wind-noise reduction, external stereo microphone input and mono playback speaker
Screen and viewfinder
ViewfinderElectronicElectronic
Screen size3″3″
Screen dots921,600921,600
Touchscreen–No
Tilting screenNoYes
Display detailFixed Xtra Fine LCD with TruBlack technology; dots count colour subpixelsThree-axis articulating LCD: 150° upwards, 180° forwards, then rotation 180° right or 90° left; 921,600 dots count colour subpixels; focus peaking and magnification; separate top status LCD
Viewfinder detailTru-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 lens0.5-type XGA OLED Tru-Finder with 2,359,296 dots, 100% coverage and approximately 1.09× magnification with a 50 mm lens; focus magnification and electronic level
Connections and design
Battery life (maker's claim)440 photographs470 photographs
Body weight415 g653 g
Release detailSony Hong Kong states July 2011 availability; Sony UK and US state August 2011Sony China announced staggered availability from mid-September 2011; the UK announcement specifies October 2011; Sony Japan specifies 14 October 2011. September is the earliest maker-stated retail precision read.
Recording mediaSingle slot accepting SD/SDHC/SDXC, Memory Stick PRO Duo and PRO-HG DuoSingle slot accepting SD/SDHC/SDXC (UHS-I supported), Memory Stick PRO Duo and PRO-HG Duo
PortsUSB 2.0 Hi-Speed and mini HDMI Type C; microphone and wired remote inputsUSB 2.0 Hi-Speed, mini HDMI Type C, 3.5 mm stereo microphone input, wired remote, DC input and flash sync terminal; Auto-lock accessory shoe and optional infrared remote
Wireless connections–GPS geotagging is built into the SLT-A77V regional model represented by the Japanese specification and photograph.
Battery life detailNP-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 LCDNP-FM500H; CIPA maker claim approximately 470 photographs using the viewfinder or 530 using the LCD
ChargingSupplied BC-VW1 external chargerSupplied BC-VM10A external charger
DimensionsApproximately 124.4 × 92 × 84.7 mm (width × height × depth), excluding protrusionsApproximately 142.6 × 104 × 80.9 mm (width × height × depth), excluding protrusions
Weight detailSony 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 onlyApproximately 653 g body only; 732 g including battery and Memory Stick PRO Duo
MaterialsPolycarbonate outer body (PhotographyBlog and Photo Review)Magnesium-alloy body with dust and moisture resistance measures; Sony does not guarantee complete resistance in all conditions
ColoursBlackBlack
In the box–NP-FM500H battery, BC-VM10A charger, shoulder strap, eyepiece cup, USB cable and software CD; lenses depend on kit

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