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Awe-inspiring sensitivity realizes a new world of imaging expression

06 April 2014

α7S features a newly-developed sensor with wide dynamic range, opening up thrilling artistic possibilities for serious photographers

A7S
  • Wide ISO sensitivity setting[1] from 50 to 409600 and unprecedented dynamic range
  • World’s first full-frame sensor capable of full pixel read-out without pixel binning process for movie and 4K (QFHD: 3840 x 2160) HDMI video output
  • Professional video functions including XAVC S Full HD recording at 50Mbps, time code and optional XLR audio inputs
  • High ISO sensitivity range allows faster shutter speeds during low light shooting
  • α Mount System compatible with a wide range of high quality lenses, including power zoom lens ideal for movie shooting
  • Improved Fast Intelligent AF performance in light as low as EV-4
  • Ultra compact, light-weight body for comfortable pro-style operation

From starry night-time skies to atmospheric, candle-lit interiors: there’s now a camera that opens up extraordinary creative possibilities for capturing flawless, emotionally engaging movie footage and professional-quality still images.

Joining the acclaimed α7 and α7R – the world’s smallest[2] full-frame interchangeable lens cameras – the α7S from Sony puts extraordinary sensitivity, low noise and spectacular 4K (QFHD: 3840×2160) image quality into the hands of serious photographers and videographers.

Equally suitable for still photography and cost-conscious movie production, the α7S delivers dramatic artistic possibilities in the smallest body of any full-frame interchangeable-lens digital camera in the world.

Key to the extraordinary sensitivity of the α7S is a specially developed new full-frame 35mm Exmor CMOS image sensor.

With a 12.2 effective megapixel count the size of each individual photoreceptive site is significantly boosted to increase their light-gathering power. Coupled with the camera’s powerful BIONZ X processing engine, this reduces image noise while increasing effective sensitivity range of the α7S to ISO 50 – ISO 409600 in expanded mode (ISO 200 – 409600 for movies).

This unrivalled sensitivity and ultra-low noise floor allows the α7S to capture beautiful images in low light conditions where a lengthy exposure would normally be needed. Thanks to the camera’s huge sensitivity, it’s possible to shoot crisp, low-noise stills and video using faster shutter speeds. Its immense dynamic range is also ideal for high-contrast scenes, effortlessly handling extreme highlights and rich, deep blacks in the same frame.

Because of the image sensor’s extraordinary sensitivity, the amount of light it can collect is dramatically increased compared with conventional cameras. The newly developed image sensor provides photographers/videographers with high dynamic range in all conditions from extremely low light to bright sunlight.

Using data read-out from every single pixel of the 35mm full-frame sensor (24p and 25p), 4K[3] images created by the α7S are impressively detailed, with outstandingly rich colours and life-like textures in every frame. Refined by the BIONZ X processor, the high-speed data stream allows the α7S to output video at 4K resolution from the HDMI connector with 4:2:2 colour sampling, for recording onto an external storage device or viewing on a compatible monitor[4].

Thanks to the full pixel read-out from the whole of the 35mm full-frame sensor, there’s a notable absence of undesirable aliasing (moiré) effects and ‘jaggies’ that betray lower-resolution video. Stunningly clear images can be recorded on a memory card in Full HD quality with XAVC S[5] recording format at the 50Mbps data rate that’s highly regarded by professional videographers.

In APS-C crop mode, the α7S supports high frame rate shooting at 120fps or 100fps with HD resolution (1280 x 720 pixels). The 120fps footage can be played back at 24p for a 5x slow-motion effect – ideal for seeing every detail of sports action or the balletic grace of a dancer.

There’s a wealth of other specialist functions to please professional videographers such as Picture Profile™ for wide ranging visual expression and S-Log2 gamma. Time code/user bit functions allow pro-style editing workflow, while an optional XLR Adaptor Microphone Kit[6] supports high-quality audio acquisition.

As already proven on the α7R, high-speed, high-precision Fast Intelligent AF has been further improved to fully exploit the new camera’s extraordinary low-light performance as low as EV-4. Other features familiar to α7 users include a high-contrast XGA OLED Tru-Finder, Wi-Fi/NFC connectivity and compatibility with the growing range of downloadable PlayMemories Camera Apps.

There’s a growing range of α lenses to take full advantage of the camera’s near-limitless creative potential. Currently under development, a brand-new full frame E-mount power zoom 28-135mm, F4 lens appeals to quality-conscious movie-makers. In addition, Sony is collaboratively working with third parties to support pro-quality 4K video workflow. A new XLR adaptor kit with a direct attachment mechanism is also under development.

The new α7S full-frame interchangeable lens digital camera from Sony will be available in Europe in summer 2014.



[1] Standard ISO range: Still 100 – 102400, Movie 200-102400. Expandable ISO range: Still 50-409600, Movie 200-409600

[2] Among interchangeable-lens cameras equipped with a 35mm full-frame (equivalent) image sensor – as of press release date.

[3] (QFHD 3840 x 2160 pixels)

[4] Not supplied with α7S

[5] SDXC memory card higher than Class 10 is necessary when shooting movies in the XAVC S format.

[6] XLR-K1M

Notes to editors


Key specifications

General

Lens mount

α E-mount

Image sensor

Type

35mm full frame (35.6 x 23.8mm), Exmor CMOS sensor

Number of pixels (effective)

Approx. 12.2 megapixels

Recording system (still images)

Recording format

JPEG (DCF Ver. 2.0, Exif Ver. 2.3, MPF baseline compliant), RAW (Sony ARW 2.3 format)

RAW output

14 bit

Recording system (movies)

Recording format

XAVC S / AVCHD format Ver. 2.0 compliant / MP4

Video compression

XAVC S: MPEG-4 AVC/H.264

AVCHD: MPEG-4 AVC/H.264

MP4: MPEG-4 AVC/H.264

Audio recording format

XAVC S: LPCM, 2ch

AVCHD: Dolby Digital (AC-3), 2ch, Dolby Digital Stereo Creator

MP4: MPEG-4 AAC-LC, 2ch

Image size (pixels)

1080 60i compatible device

XAVC S: 1920 x 1080 (60p/50Mbps, 30p/50Mbps, 24p/50Mbps), 1280 x 720 (120p/50Mbps)

AVCHD: 1920 x 1080 (60p/28Mbps/PS, 60i/24Mbps/FX, 60i/17Mbps/FH, 24p/24Mbps/FX, 24p/17Mbps/FH)

MP4: 1440 x 1080 (30fps/12Mbps), 640 x 480 (30fps/3Mbps)

1080 50i compatible device

XAVC S: 1920 x 1080 (50p/50Mbps, 25p/50Mbps, 24p/50Mbps), 1280 x 720 (100p/50Mbps)

AVCHD: 1920 x 1080 (50p/28Mbps/PS, 50i/24Mbps/FX, 50i/17Mbps/FH, 25p/24Mbps/FX, 25p/17Mbps/FH)

MP4: 1440 x 1080 (25fps/12Mbps), 640 x 480 (25fps/3Mbps)

Movie functions

Audio Level Display, Audio Rec Level, Auto Slow Shutter, HDMI info. Display (On/Off selectable), Time Code/User Bit, Clean HDMI output for 4K, Picture Profile, Creative Style, Picture Effect, Rec Control, Dual Video Rec, Marker Setting

Picture Profile

Yes (Off / PP1-PP7) Parameters: Black level, Gamma (Movie, Still, Cine1-4, ITU709, ITU709 [800%], S-Log2), Black Gamma, Knee, Colour Mode, Colour Level, Colour Phase, Colour Depth, Detail, Copy, Reset

Clean HDMI output

Clean HDMI output

1080 60i compatible device

3840 × 2160(30p/24p) / 1920 × 1080(60p/24p) / 1920 × 1080(60i),YCbCr 4:2:2 8bit/ RGB 8bit

1080 50i compatible device

3840 × 2160(25p) / 1920 × 1080(50p) / 1920 × 1080(50i),YCbCr 4:2:2 8bit/ RGB 8bit

Media

Media

Memory Stick PRO Duo, Memory Stick PRO-HG Duo, Memory Stick XC-HG Duo, SD memory card, SDHC memory card (UHS-I compliant), SDXC memory card (UHS-I compliant)

Focus system

Type

Contrast-detection AF`

Focus point

25 points

Sensitivity range

EV -4 to EV 20 (at ISO 100 equivalent with F2.0 lens attached)

Exposure control

Metering type

1200-zone evaluative metering

ISO sensitivity (Recommended Exposure Index)

Still images: ISO 100-102400, Movies: ISO 200-102400 equivalent (both expandable to 409600)

Viewfinder

Type

XGA OLED, 1.3cm (0.5 type) electronic viewfinder (colour)

Total no. of dots

2,359,296 dots

Field coverage

100%

Magnification

Approx. 0.71x (with 50mm lens at infinity, -1m-1)

LCD screen

Type

7.5cm (3.0 type) TFT drive

Total number of dots

921,600 dots

Adjustable angle

Up approx. 90 degrees, down approx. 45 degrees

Other features

` Camera Apps

Yes

Interface

Wireless LAN (built-in)

Wi-Fi Compatible, IEEE802.11b/g/n (2.4GHz band)*1
Playback of still images and movies on smartphones, PCs and TVs

NFC™

Yes (NFC Forum Type 3 Tag compatible, One-touch remote, One-touch sharing)

Multi Interface Shoe

Yes

HD output

HDMI micro connector (Type-D), BRAVIA Sync (link menu), PhotoTV HD, 4K still image playback

Shutter

Type

Electronically controlled, vertical-traverse, focal-plane type

Shutter speed

Still images: 1/8000 to 30 sec., Bulb
Movies: 1/8000 to 1/4 (1/3 step), Up to 1/60 in AUTO mode (up to 1/30 in Auto Slow Shutter mode)

Electronic front curtain shutter

Yes, On/Off

Power

Battery

Rechargeable battery pack NP-FW50

Still images

Approx. 320 shots (viewfinder) / approx. 380 shots (LCD screen) (CIPA standard)

Movies

Actual*2: Approx. 55 min with viewfinder, approx. 60 min with LCD screen (CIPA standard)
Continuous*3: Approx. 90 min with viewfinder, approx. 90 min with LCD screen (CIPA standard)

External power

AC Adaptor AC-PW20 (optional)

Weight

With battery and Memory Stick PRO Duo

Approx. 489g (approx. 1 lb 1.2 oz)

Body only

Approx. 446g (approx. 15.7 oz)

Dimensions

W x H x D (excluding protrusions)

Approx. 126.9 x 94.4 x 48.2mm (approx. 5 x 3 3/4 x 1 15/16 in.)

Operating temperature

Range

32°-104°F / 0-40°C

Specifications and features are based on information available at the time of printing and are subject to change without notice.

*1 Configuration method/Access method: WPS or manually/infrastructure mode. When connecting to smartphones, the camera can always work as a base without a wireless access point. (Security: WEP/WPA-PSK/WPA2-PSK)

*2 Indicated recording time is defined by repeating the following cycle: Power on, start recording, zoom, stand-by and power off.

*3 Indicated recording time is defined by repeating the following cycle: Pressing the MOVIE button. No other operations such as zoom are performed.


For more information please contact
Sony Europe PR Team


Offering an integrated entertainment experience through its electronics, mobile, music, pictures, game and the Sony Entertainment Network, Sony is uniquely positioned to be one of the world's leading consumer brands. Sony is renowned for its audio-visual products in both the consumer and professional markets, such as the 4K Ultra HD and Full HD LED BRAVIA™ TV, Cyber-shot™ digital camera, Handycam® camcorder, “α” (pronounced Alpha) digital SLR camera, Xperia™ Tablet and Walkman® MP3 player as well as its VAIO™ personal computers and 3D HD professional broadcast equipment. 

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