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Sony Alpha SLT-A57 vs Sony Alpha SLT-A58

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

Better figure, where one is clearly better

SonyAlpha SLT-A57SonyAlpha SLT-A58
Overview
ReleasedApril 2012April 2013
Image and sensor
Camera typeTranslucent mirrorTranslucent mirror
Sensor formatAPS-CAPS-C
Sensor typeExmor APS HD CMOSExmor APS HD CMOS
Sensor dimensions23.5 × 15.6 mm23.2 × 15.4 mm
Effective resolution16.1 MP20.1 MP
Largest image4912 × 32645456 × 3632
RAW recordingYesYes
Standard ISO range100–16000100–16000
Sensor detail16.7 million total photosites; fixed translucent mirror feeds a dedicated phase-detection AF sensor while the main sensor supplies live view20.4 million total photosites; fixed translucent mirror feeds the dedicated phase-detection AF module while the main sensor supplies live view
Image formatsJPEG, RAW (Sony ARW 2.3), RAW+JPEG and 3D MPO panoramas; 3:2 or 16:9 stillsJPEG, RAW (Sony ARW 2.3) and RAW+JPEG; 3:2 or 16:9 stills; no 3D panorama
ISO detailAuto ISO 100–3200; multi-frame noise reduction extends sensitivity to ISO 25600; movies ISO 100–3200Auto ISO 100–3200; standard ISO 100–16000; multi-frame noise reduction extends to ISO 25600; movies ISO 100–3200
Image processorBIONZBIONZ
Lens and shooting
Lens mountSony A-mountSony A-mount
StabilisationSensor shiftSensor shift
Maximum continuous burst10 fps5 fps
Lens detailCompatible Sony, Minolta and Konica Minolta A-mount AF lenses; kit lenses are separate from body specificationsSony, Minolta and Konica Minolta A-mount AF lenses; kit lenses are separate from body specifications
Autofocus15-point phase-detection AF with three cross sensors; EV −1–18 at ISO 100 with an F2.8 lens; AF-S, AF-A, AF-C and manual focus; zone and local selection, tracking AF and Eye-Start15 phase-detection points including three cross sensors; AF-S, AF-A, AF-C and manual focus; EV −1–18 at ISO 100 with an F2.8 lens; Lock-on AF, zone/local selection and flash assist
Shutter1/4000–30 seconds and Bulb; flash sync 1/160 second1/4000–30 seconds and Bulb; flash sync 1/160 second; electronic first curtain selectable
Burst detailUp to 12 fps with full-time continuous AF in Tele-zoom Continuous Advance Priority AE: 1.4× centre crop, medium/small JPEG only. Full-resolution Continuous Advance Priority AE reaches 10 fps; ordinary drive 8 fps Hi or 3 fps Lo. Maker buffer claim at 10 fps: 23 Fine JPEG, 27 Standard JPEG, 21 RAW or 18 RAW+JPEG frames; cropped 12 fps: 23 Fine or 25 Standard JPEG frames. In the 10/12 fps AF modes aperture is controlled to f/3.5, or the maximum aperture of a slower lens; the 12 fps maximum image is approximately 8.4 MP.Full-resolution continuous shooting up to 5 fps Hi or 2.5 fps Lo; Tele-zoom Continuous Advance Priority AE reaches 8 fps with central crop to approximately 5 MP JPEG (PhotographyBlog and Expert Reviews). Maker ordinary Hi buffer: seven Fine or eight Standard JPEG, six RAW or five RAW+JPEG; cropped mode 16 Fine or 19 Standard JPEG. Performance depends on card and shooting conditions
Stabilisation detailSteadyShot INSIDE sensor shift for stills, maker claim approximately 2.5–4.5 stops; electronic stabilisation for moviesSteadyShot INSIDE sensor shift for stills; electronic stabilisation for movies
FlashAutomatic pop-up flash, guide number 10 in metres at ISO 100; ADI and pre-flash TTL control; compatible external flash required for wireless flash and high-speed syncAutomatic pop-up flash, guide number 10 metres at ISO 100; ADI/pre-flash TTL; Multi Interface Shoe; compatible external flash required for wireless and high-speed sync
Exposure controlsPASM, Intelligent Auto, Superior Auto, scene and panorama modes; 1200-zone metering; ±3 EV compensation in 1/3 steps; three-frame Auto HDR, D-Range Optimizer, Picture Effects and Auto Portrait FramingPASM, Intelligent Auto, Superior Auto, scene, panorama and Picture Effect modes; 1200-zone metering; ±3 EV still or ±2 EV movie compensation in 1/3 steps; D-Range Optimizer, Auto HDR and Auto Object Framing
Video
Highest video resolution1920 × 1080 at 60 fps1920 × 1080 at 30 fps
Video detailJapan/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.Japan/NTSC configuration: Full HD AVCHD 2.0 at 60 interlaced fields per second with 30 fps sensor output, or 24p, at approximately 24 or 17 Mbps. PAL models use 50i or 25p. No 50p/60p Full HD. MP4 up to 1440 × 1080 at 30 fps; main rate is sensor output, not interlaced field rate. Maker continuous limit approximately 29 minutes or 2 GB. Manual movie exposure and autofocus cannot operate together (Expert Reviews)
AudioBuilt-in stereo microphone with wind-noise reduction, external stereo microphone input and mono playback speakerBuilt-in stereo microphone and mono playback speaker; 3.5 mm external microphone input
Screen and viewfinder
ViewfinderElectronicElectronic
Screen size3″2.7″
Screen dots921,600460,800
TouchscreenNoNo
Tilting screenYesYes
Display detailXtra Fine LCD with 180° tilt and 270° rotation on a bottom hinge; focus peaking and magnification; dots count colour subpixelsMaker Japanese table specifies approximately 135° upward/55° downward tilt; PhotographyBlog and Expert Reviews describe 90°/45°. Dots count colour subpixels; focus peaking and magnification
Viewfinder detail0.46-type SVGA electronic finder, 100% coverage; 1,440,000 effective dots at maximum magnification (1.04× with a 50 mm lens), or 1,253,280 at standard magnification (0.97×); electronic level and grids0.39-type OLED Tru-Finder with 1,440,000 dots, 100% coverage and approximately 0.88× magnification with a 50 mm lens
Connections and design
Wi-Fi–No
Battery life (maker's claim)550 photographs690 photographs
Body weight539 g492 g
Release detailSony UK specifies early April 2012 for European availability; Japan’s revised announcement specifies 27 April 2012. April is the earliest maker-stated retail precision found.Sony Asia Pacific and Hong Kong specify April 2013 retail availability
Recording mediaSingle slot accepting SD, SDHC, SDXC, Memory Stick PRO Duo and PRO-HG DuoSingle slot accepting SD/SDHC/SDXC, Memory Stick PRO Duo, PRO-HG Duo and XC-HG Duo
PortsUSB 2.0 Hi-Speed, mini HDMI Type C, 3.5 mm stereo microphone input, wired remote and DC input; optional infrared remote; Auto-lock accessory shoeUSB 2.0 Multi/Micro USB terminal supporting PC remote, micro HDMI Type D, 3.5 mm microphone and DC input; Multi Interface Shoe; no headphone output
Battery life detailNP-FM500H; CIPA maker claim approximately 550 photographs using the viewfinder or 590 using the LCDNP-FM500H; maker CIPA claim approximately 690 photographs with viewfinder or 700 with LCD
ChargingSupplied BC-VM10A external chargerSupplied BC-VM10A external charger; no in-body charging
DimensionsApproximately 132.1 × 97.5 × 80.7 mm (width × height × depth), excluding protrusionsApproximately 128.6 × 95.5 × 77.7 mm (width × height × depth), excluding protrusions
Weight detailApproximately 539 g body only; 618 g including battery and Memory Stick PRO DuoApproximately 492 g body only, 573 g including battery and Memory Stick PRO Duo
ColoursBlackBlack
In the boxNP-FM500H battery, BC-VM10A charger, shoulder strap, eyepiece cup, USB cable and software CD; lenses depend on kitNP-FM500H battery, BC-VM10A charger, shoulder strap, Micro USB cable, body cap and eyepiece cup; lenses depend on kit

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