Sony a7S II Mirrorless Camera Now Available – See Features, Specs, Price and Where to Buy

Early this month, Sony has announced the successor of the a7S, one of its popular and successful mirrorless cameras, the new Sony a7S II. The release wasn’t really a total surprise, since many Sony fans were already expecting it. The new Sony a7S II still features the same 12.4 megapixel sensor size. But Sony has upgraded its video capabilities and can now record up to 4K resolution (similar with the a7R II). It has special effects like slow motion capture, 5-way image stabilization feature, and a wider ISO range of 50 up to 409,600. Aside from that, Sony also added the ability to utilize S-Log3 Gamma and S-Gamut3 in addition to S-Log2, more Autofucus points, and many more features that videographers would benefit from. More details from the official release below.

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Sony a7S II Released – The Ultra-Sensitive 4K Camera

Highlighted Features:

  • Out of darkness cometh light
  • Ultra-high sensitivity up to 409600i with low noise across the whole range
  • Wide dynamic range across entire ISO range delivering smooth tonal gradation from dark to bright conditions
  • In-camera 5-axis optical image stabilization for expanded shooting possibilities
  • Internal 4K movie recording featuring full pixel readout without pixel binning in full-frame format
  • Wide range of professional movie functionality including S-Gamut3.Cine/S-Log3, new Gamma Assist Display, enhanced Zebra Function, Full HD 120fps recording and 4x/5x slow motion recording and full pixel readout without pixel binning in full-frame format
  • High-speed AF with enhanced accuracy in wide ranging scenes and advanced shooting functions

Sony today announced the latest addition to its award winning series of compact, full-frame α7 cameras with the introduction of the a7S II. Offering ultra-high sensitivity and wide dynamic range across the entire ISO range and 5-axis image stabilization for greater shooting control, the α7S II delivers stunning image quality for photographers who shoot in the most challenging light conditions. Be it the brightest of mornings or darkest of nights, the Sony a7S II enables new levels of photographic expression at whatever shutter speed you wish to deploy. The α7S II also incorporates a host of pro-style movie functions including the ability to shoot 4K video with full pixel readout and no pixel binning in full-frame format, making it an extremely appealing proposition for photographers and videographers alike.

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The Sony a7S II delivers an awe-inspiring sensitivity range of ISO 50-409600 [i], thanks to the combination of its 35mm full-frame 12.2 megapixel [ii] image sensor and BIONZ X image processing engine. The sensor optimizes the dynamic range across the entire ISO range and broadens the range of tonal gradation in bright environments and minimizes noise in dark scenes meaning that it delivers impressive results even in the most extreme conditions. The upgraded image processing algorithm of BIONZ X maximizes the sensor’s capabilities and improves depiction throughout the full sensitivity range with particular emphasis on the mid-to-high range. This means that the resulting stills and movies demonstrate extra-fine detail with minimal noise.

Sony a7S II – 4K low-light ISO comparison movie

Video Master
The Sony a7S II can record 4K [iii] movies internally in the XAVC S format [iv] meaning that content is wonderfully detailed. Because information from all pixels is utilized without line skipping or pixel binning, the camera can maximize the expanded power of the full-frame image sensor and produce 4K movies with higher image clarity and negligible moiré. Full pixel readout without pixel binning is also employed when shooting Full HD [v] movies which means that it collects information from approximately five times as many pixels that are required to generate Full HD [vi] and condenses the information to produce extremely high quality movies.

In a first for the α7 series, the Sony a7S II can record 120fps at 100Mbps [vii] with full pixel readout without pixel binning in full frame format which can be edited into wonderful 4x/5x slow motion footage [viii] in Full HD. The α7S II also has the ability to shoot 4x/5x slow motion footage internally which can be immediately reviewed on the camera screen.

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Video functionality has been further enhanced with new profiles; S-Gamut3.Cine/S-Log3 and S-Gamut3/S-Log3. These new profiles deliver wide dynamic range and colour correction is easier to perform. The α7S ll even offers impressive 14-stop latitude in the S-Log3 gamma setting. The camera also supports S-Gamut/S-Log2 which is very popular among cinematographers and videographers. Gamma Display Assist is a new function that allows users to monitor images or check focus when recording S-Log movies and the Zebra function has been improved for even greater control.

5-Axis Image Stabilization
The new Sony a7S II is equipped with the innovative 5-axis image stabilization system that is proving extremely popular in the α7 II and α7R II cameras. The system corrects camera shake along five axes during shooting, including angular shake (pitch and yaw) which has the greatest impact on image quality and tends to occur with a telephoto lens, shift shake (X and Y axes) which becomes noticeable as magnification increases, and rotational shake (roll) that often affects night shooting or video recording.

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Autofocus accuracy
The autofocus system on the Sony a7S II has been upgraded and now offers 169 AF points for fast, precise focusing with greater accuracy. [ix] The power of the image sensor means that the absence of noise in images generated, enables the Fast Intelligent AF to detect contrast more easily and react speedily even in low-light situations (as low as EV-4), when it’s even tough to check with the naked eye. When shooting video, the AF performance is twice as fast as the predecessor model. [x]

Electronic Viewfinder
The XGA OLED Tru-Finder in the Sony a7S II has been upgraded and offers the world’s highest viewfinder magnification [xi] of 0.78x (roughly 38.5 degrees in diagonal field of view) and shows clear images across the entire display area. The use of ZEISS T* Coating ensures sharp reduction of reflections on the viewfinder and unlike an optical viewfinder, the OLED Tru-Finder can be used to instantly show how exposure compensation, white balance and other selected settings are affecting the displayed image.

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User upgrades
A number of enhancements have been made to the look and feel of the Sony a7S II to make it more user friendly, reliable and intuitive. Its magnesium-alloy body is both light and highly robust and the grip and shutter buttons have been re-designed so that the camera feels more natural in the hand. For situations when you just want to blend into the background, silent shooting mode can be activated for 5fps continuous shooting [xii] and reliability has been enhanced with reduced-vibration shutter movement. [xiii] The lens mount has been further reinforced to ensure greater resilience, particularly when attaching third party lenses and users can now charge the camera via a USB power supply whilst the camera is in operation, thus extending battery life. For greater comfort and safety, Sony is also launching the LCS-EBF; a new premium leather body case for the α7S II which is also compatible with the α7R II and α7 II.

The Sony a7S II is also Wi-Fi® and NFC compatible and fully functional with Sony’s PlayMemories Mobile application available for Android™ and iOS™ platforms, as well as Sony’s growing range of PlayMemories Camera Apps, which add a range of fun creative capabilities to the camera. Learn more at www.sony.net/pmca.

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  • [i]Standard ISO 100 – 102400, Expandable to ISO 50-409600
  • [ii] Approximate effective megapixels
  • [iii] QFHD: 3840 x 2160. Internal recording and HDMI output, both at 4K resolution, are available in full-frame
  • [iv]SDXC memory card higher than Class 10 is required for movie recording in XAVC S format
  • [v]In 24p/30p
  • [vi] 1920 x 1080
  • [vii] UHS Class 3 memory card is required for recording at 100Mbps
  • [viii] 30p (25p) or 24p
  • [ix] Compared to α7S
  • [x]Compared to the α7S, when shooting Full HD movies.
  • [xi]Amongst digital cameras. The viewfinder magnification is approx. 0.78x (with 50mm lens at infinity, -1m-1). As of date of press release, based on Sony research.
  • [xii]Speed Priority Continuous mode. Focus and exposure settings fixed at first shot.
  • [xiii] 500,000-cycle durability. According to Sony internal testing, with the electronic front curtain shutter activated.

Price and Availability

The Sony a7S II mirrorless digital camera is now available to order, and it comes with a retail price of $2,998 at the time this article was published. Shipping will start on October 16, 2015. The package includes a NP-FW50 Lithium-Ion rechargeable battery (1020mAh), BC-VW1 AC charger for W series batter, AC-UUD11 AC Adapter, cable protector, body cap, shoulder strap, accessory shoe cap, and an eyepiece cup. You also get a limited 1 year warranty from the manufacturer.

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Sony a7S II Specifications

Body typeSLR-style mirrorless
Sensor35 mm full frame (35.6 x 23.8 mm),
Exmor® CMOS sensor
Number Of Pixels (Effective)12.2 MP (approx.)
Max resolution4240 x 2832
Lens CompatibilitySony E-mount lenses
ISO SensitivityStill images: ISO 100-102400 (expandable to ISO 50-409600),
AUTO (ISO 100-12800, selectable lower limit and upper limit),
Movies: ISO 100-102400 equivalent (expandable to ISO 100-409600 equivalent),
AUTO (ISO 100-12800 equivalent, selectable lower limit and upper limit)
Image StabilizationSensor-Shift, 5-Way
Viewfinder TypeXGA OLED, 0.51 in (0.5 type) electronic viewfinder (color)
Articulated LCDTilting
Screen Type2.95 in (3.0 type) TFT drive
Screen dots1,228,800
Min. shutter speed30 sec
Max. shutter speed1/8000 sec
Image FormatJPEG, RAW
Video FormatAVCHD Ver. 2.0, MP4, MPEG-4 AVC/H.264, XAVC S
Audio FormatAAC LC, AC3, Dolby Digital 2ch, Linear PCM (Stereo)
Bit Depth14-bit
Storage typesSD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Battery Life (CIPA, Still Images)Approx. 310 shots (viewfinder) / Approx. 370 shots (LCD screen) (CIPA standard)
Weight (inc. batteries)627 g (1.38 lb / 22.12 oz)
Dimensions126.9mm x 95.7mm x 60.3 mm (4.99" x 3.76" x 2.37?)

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