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Sony Alpha 7C II vs Sony Alpha SLT-A77

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

Better figure, where one is clearly better

SonyAlpha 7C IISonyAlpha SLT-A77
Overview
ReleasedSeptember 2023September 2011
Image and sensor
Camera typeMirrorlessTranslucent mirror
Sensor formatFull frameAPS-C
Sensor typeBack-illuminated Exmor R CMOSExmor APS HD CMOS
Sensor dimensions35.9 × 23.9 mm23.5 × 15.6 mm
Effective resolution33 MP24.3 MP
Largest image7008 × 46726000 × 4000
RAW recordingYesYes
Standard ISO range100–51200100–16000
Sensor detailApproximately 34.1 million total pixels; optical low-pass filter; maker maximum movie effective resolution 27.6 MP24.7 million total photosites; fixed translucent mirror feeds a dedicated phase-detection AF sensor while the main sensor supplies live view
Image formatsJPEG, HEIF and RAW (Sony ARW 5.0); 14-bit RAW output; compressed, lossless-compressed and uncompressed RAW options; XAVC S, XAVC S-I and XAVC HS moviesJPEG, RAW (Sony ARW 2.3), RAW+JPEG and 3D MPO panoramas; 3:2 or 16:9 stills
ISO detailStandard still-image and movie ISO 100–51200; still-image extension ISO 50–204800; movie extension reaches ISO 102400. Photography Blog lists a lower extended maximum; Sony’s explicit specification is used.Auto ISO 100–12800 with adjustable limits; expanded ISO 50; multi-frame noise reduction ISO 100–25600; main ISO range excludes expansion
Image processorBIONZ XR and dedicated AI processing unitBIONZ
Lens and shooting
Lens mountSony E-mountSony A-mount
StabilisationSensor shiftSensor shift
Maximum continuous burst10 fps12 fps
Lens detailInterchangeable E-mount; body-only and FE 28–60 mm f/4–5.6 kit offered; the photo shows both body colours with this optional kit lensCompatible Sony, Minolta and Konica Minolta A-mount AF lenses; kit lenses are separate from body specifications
AutofocusFast Hybrid AF; up to 759 phase-detection points for stills or 627 for movies; EV -4 to 20 at ISO 100 with an f/2 lens; current maker subjects include automatic selection, humans, animals, birds, insects, cars, trains and aircraft19-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
ShutterElectronic first-curtain mechanical shutter up to 1/4000 second; silent electronic shutter up to 1/8000 second; 30-second exposures and Bulb; flash sync 1/160 second full-frame or 1/200 second APS-C with Sony flash1/8000–30 seconds and Bulb; flash sync 1/250 second; selectable electronic first curtain; maker-rated approximately 150,000 shutter operations
Burst detailUp to 10 fps Hi+; maker buffer approximately 44 compressed RAW, 27 lossless-compressed RAW or 18 uncompressed RAW images; over 1,000 Fine JPEGs. Amateur Photographer notes 10 fps requires compressed RAW and gives 8 fps live-view continuous or 6 fps with lossless-compressed RAW.Up 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 detailFive-axis sensor shift; maker claim 7 stops under CIPA pitch/yaw testing with the FE 50 mm f/1.2 GM lens and long-exposure noise reduction off; current maker movie modes include Dynamic Active and Active electronic correctionSteadyShot INSIDE sensor shift for stills, maker claim approximately 2.5–4.5 stops; electronic stabilisation for movies
FlashNo built-in flash; Multi Interface Shoe supports compatible external flashAutomatic 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 controls1200-zone evaluative metering; exposure compensation ±5 EVPASM, 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 resolution3840 × 2160 at 60 fps1920 × 1080 at 60 fps
Video detailInternal 3840 × 2160 up to 60p NTSC or 50p PAL, with 10-bit 4:2:2 options; 60p/50p requires Super 35 crop. Full-frame 30p is oversampled from approximately 7K; Full HD up to 120p NTSC or 100p PAL. XAVC S-I 4K reaches 600 Mbps at 60p. S-Log3, S-Cinetone, user LUT display and AI Auto Framing; HDMI output supports 10-bit 4:2:2, without RAW video output.Japan/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; 3.5 mm microphone and headphone sockets; digital-audio Multi Interface Shoe; compatible accessories support four-channel 24-bit LPCMBuilt-in stereo microphone with wind-noise reduction, external stereo microphone input and mono playback speaker
Screen and viewfinder
ViewfinderElectronicElectronic
Screen size3″3″
Screen dots1,036,800921,600
TouchscreenYesNo
Tilting screenYesYes
Display detailSide-opening vari-angle touchscreen; opens approximately 176° and rotates approximately 270°; touch menu operationThree-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 detail0.39-type XGA OLED; 2,359,296 dots; approximately 0.70× magnification with a 50 mm lens at infinity; 60 or 120 fps refresh0.5-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
Wi-FiYes–
BluetoothYes–
Battery life (maker's claim)560 photographs470 photographs
Body weight429 g653 g
Release detailSony Australia specifies retail availability from September 2023. Photography Blog reports the original Alpha 7C remained in the range alongside the II. Current maker specifications include later-supported subject recognition and movie-stabilisation features.Sony 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 mediaOne SD slot supporting UHS-I and UHS-II; no CFexpress supportSingle slot accepting SD/SDHC/SDXC (UHS-I supported), Memory Stick PRO Duo and PRO-HG Duo
PortsUSB-C (USB 3.2 at 5 Gbps), Micro HDMI Type D, 3.5 mm microphone and headphone sockets and digital-audio Multi Interface ShoeUSB 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 connectionsWi-Fi 802.11a/b/g/n/ac at 2.4 and 5 GHz; Bluetooth 4.2; no NFC; Creators’ App remote operation and image transferGPS geotagging is built into the SLT-A77V regional model represented by the Japanese specification and photograph.
Battery life detailNP-FZ100; current Sony CIPA claim approximately 560 photographs with LCD or 530 with viewfinder; actual movie claim approximately 105 minutes with LCD or 100 with viewfinder. Both launch-period reviews give lower 540/510-shot figures.NP-FM500H; CIPA maker claim approximately 470 photographs using the viewfinder or 530 using the LCD
ChargingUSB-C in-camera charging and power supply with USB Power Delivery; maker specifies an 18 W or higher USB PD source and 3 A cableSupplied BC-VM10A external charger
DimensionsApproximately 124.0 × 71.1 × 63.4 mm; depth from grip to monitor 58.6 mmApproximately 142.6 × 104 × 80.9 mm (width × height × depth), excluding protrusions
Weight detailApproximately 429 g body only; 514 g with battery and memory card; both exclude lens. Photography Blog gives 525 g labelled body only and Amateur Photographer gives 524 g; maker’s explicit figures are used.Approximately 653 g body only; 732 g including battery and Memory Stick PRO Duo
MaterialsMaker specifies recycled materials including SORPLAS in the body, depending on production timingMagnesium-alloy body with dust and moisture resistance measures; Sony does not guarantee complete resistance in all conditions
ColoursSilver/black or blackBlack
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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