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Sony α7S II – Compact Full-Frame Mirrorless Review And Sample

Sony α7S II – Compact Full-Frame Mirrorless Review And Sample.
Sony has now expanded its range of compact full-frame mirrorless cameras with the launch of the ultra-sensitive α7S II. The camera looks impressive in terms of specs and performance and should be a delight to both professional photographers as well as videographers. It comes with some interesting performance upgrades over the Sony Alpha 7R II.

Out of darkness cometh light

Sony today announced the latest addition to its award winning series of compact, full-frame alpha 7 cameras with the introduction of the new a7S II. It offers ultra-high sensitivity along with wide dynamic range across the entire ISO range and 5-axis image stabilization for greater shooting control.  The a7SII 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.

The α7S 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 optimises the dynamic range across the entire ISO range and broadens the range of tonal gradation in bright environments and minimises noise in dark scenes meaning that it delivers impressive results even in the most extreme conditions. The upgraded image processing algorithm of BIONZ X maximises 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.

Features and Specifications:

  • 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 stabilisation 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 and 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

Video Master

ILCE-7SM2 sample video low light test

The α7S 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 utilised without line skipping or pixel binning, the camera can maximise 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 α7S IIcan 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.

According to Sony, 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 color correction is easier to perform. 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 Stabilisation

The new α7S 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.

 

Autofocus accuracy

The autofocus system on the α7S 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 α7S 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.

User upgrades

A number of enhancements have been made to the look and feel of the α7S 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 α7S 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.

The new α7S II full-frame interchangeable lens digital camera from Sony will be available in Europe in November 2015, priced at approximately €3,400 (~ US $3850).

 

[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.

Sony α7S II – Compact Full-Frame Mirrorless Review And Sample.

Source: Sony Press Release

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