The new sony a7s, summer 2014

April 17, 2014

New α7S camera announceda 2 weeks ago -

 

Discover the next step for Sony’s digital imaging technology,

meet the A7S.

 

This incredible new camera has been announced at a press conference at the famous NAB show in Las Vegas.Find out here just what is so special about this new camera and how it could rocket your photos and videos to incredible new heights!

 

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

 

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 

a 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

 

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 /

 

MP4Video 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, 2chI

mage 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 deviceXAVC 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)*1Playback of still images and movies on smartphones, PCs and TVsNFC™

 

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 typeShutter 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-FW50Still 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. 

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