The Sony α7 II (model ILCE-7M2) is a full-frame mirrorless interchangeable-lens camera manufactured by Sony. It was announced on 20 November 2014 as the sequel to the original Sony α7 (model ILCE-7) and adds a 5-axis sensor-shift image stabilization (generically referred to as IBIS) to its 24MP full-frame CMOS sensor. The α7 II furthers Sony's Hybrid AF system, it has 30% faster and 1.5X better tracking compared to its predecessor. From a design standpoint, additional improvements include a more rugged build quality, a new front dial, and a relocated shutter release button. It was succeeded by the Sony α7 III, announced on 26 February 2018.
While the cameras can use any E-mount lens, the image circle of APSC E-mount glass will not cover full frame. Sony has a setting to auto crop in camera or you can crop afterward to taste. Sony now has a robust lineup of first party lenses and 3rd party lenses form the likes of Chinese lens manufacturers.
The α7 II uses the Sony Bionz X processor which is based on a quad-core ARM Cortex-A5 architecture, and is used to run Android apps on top of the Linux kernel. Detail reproduction and diffraction-reducing algorythms, area-specific noise reduction and 16-bit image processing + 14-bit raw output were all innovations introduced with this processor. It can process up to 20 frames per second and features Lock-on AF and object tracking.Other features include a 3-inch, tilting LCD, XGA OLED electronic viewfinder, Multi-interface (hot) shoe, Wi-Fi with NFC, and video recording with the XAVC S codec which offers a 50Mbit/s bit rate at 1080/60p (as well as 1080/30p and 1080/24p). and a 'LOG' picture profile.
Model differences
Modelα7α7Rα7Sα7 IIα7R IIα7S IIProduct standingBalancedHigh ResolutionHigh SensitivityBalanced Mark IIHigh Resolution Mark IIHigh Sensitivity Mark IISensor resolution24.3 Mpx Exmor CMOS6,000×4,000 pixels(35.80 mm×23.90 mm)36.4 Mpx Exmor CMOS7,360×4,912 pixels(35.90 mm×24.00 mm)12.2 Mpx Exmor CMOS4,240×2,832 pixels(35.80 mm×23.90 mm)24.3 Mpx Exmor CMOS6,000×4,000 pixels(35.80 mm×23.90 mm)42.4 Mpx Exmor R BSI-CMOS7,952×5,304 pixels(35.90 mm×24.00 mm)12.2 Mpx Exmor CMOS4,240×2,832 pixels(35.80 mm×23.90 mm)ISO rangeExpanded ISO 50 - 25600Multi frame NR 100 - 51200Expanded ISO 50 - 25600Multi frame NR 100 - 51200Native ISO 100 - 102400Expanded ISO 50 - 409600Expanded ISO 50 - 25600Multi frame NR 100 - 51200Native ISO 100 - 25600Expanded ISO 50 - 102400Native ISO 100 - 102400 Expanded ISO 50 - 409600Autofocus25 point contrast-detectionw/ 117 points phase-detection25 point contrast-detection25 point contrast-detection25 point contrast-detectionw/ 117 points phase-detection25 point contrast-detectionw/ 399 points phase-detection169 point contrast-detectionMaximum flash sync speed1/2501/1601/2501/2501/2501/250 Max Continuous Shooting5 frame/s4 frame/s5 frame/s5 frame/s5 frame/s5 frame/sIn-body image stabilizationNo5-axisFlash Exposure LockNoNoYesYesYesElectronic shutter modeFirst-curtain onlyNoFirst-curtain andSilent shutterFirst-curtain onlyFirst-curtain andSilent shutterFirst-curtain andSilent shutterGapless on-chip lensNoYesYesNoYesYes Live-view Tethered CaptureNoNoYesYesYesYes Custom minimumshutter speed at Auto ISONoNoNoNoYesYes Flexible Spot with Lock on AFNoNoNoNoYesYes Continuous Eye-AFNoNoNoNoYesYes AF Sensitivity0 ~ 20 EV0 ~ 20 EV-4 ~ 20 EV-1 ~ 20 EV-2 ~ 20 EV-4 ~ 20 EV Metering Sensitivity0 ~ 20 EV0 ~ 20 EV-3 ~ 20 EV-1 ~ 20 EV-3 ~ 20 EV-3 ~ 20 EV User Custom Buttons333444Monitor Resolution921.6 K1,228.8 KViewfinder Magnification0.71×0.78×Video record formatMPEG-4, AVCHD (28 Mbit/s)1080pMPEG-4, AVCHD (28 Mbit/s),XAVC S (50 Mbit/s) 1080pMPEG-4, AVCHD (28 Mbit/s),XAVC S (100 Mbit/s) 4K videoVideo samplingLine skippingLine skippingFull-pixel readoutLine skippingPixel-binning at Full Format Full-pixel readout at Super 35Full-pixel readoutSlow motion video recordNoNoYes (720p, 120fps)NoYes (720p, 120fps)Yes (1080p, 120fps)HDMI Output4K still and 1080p video4K still and 1080p video4K still and 4K video4K still and 1080p video8K still and 4K video4K still and 4K videoVideo Light modeNoNoYesNoYesProfessional Video editNoNoPicture Profile w/CineGamma,Timecode, UserbitBody materialCombi. of magnesium alloyand polycarbonateFull magnesium alloy chassisand polycarb bayonet mount.Full magnesium alloy chassisand stainless steel bayonet mount.Other featuresHybrid autofocus systemNo optical Low-pass filterFull-pixel readout videoat Full FormatHybrid autofocus systemHybrid autofocus system,No optical Low-pass filterFull-pixel readout videoat Full Format Phase-detection AF onnon-native lensesOnly A-mount lenses with LA-EA2 and LA-EA4Yes (Firmware update)YesOnly with LA-EA2/4Operate while USB chargingNoNoNoNoYesYesBattery-life (CIPA standards)340 shots340 shots380 shots350 shots340 shots370 shotsWeight416 g407 g446 g556 g582 g584 gDimension127×94×48 mm127×96×60 mm126.9x95.7x60.3 mmAnnounced16 October 20136 April 201420 November 201410 June 201511 September 2015
See also Comparison of Sony α7 cameras List of Sony E-mount cameras List of Sony E-mount lenses Sony α6500 Sony α7 III Sony α9
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