Today Sony announced the previously rumored a7s full frame camera with a 12MP sensor, 4k video recording capabilities (on external media, like the new Atomos Shogun 4k recorder) and high ISO setting of 409,600. The a7s price is not yet announced.
Sony a7s key specifications:
- 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
Sony a7s sample images:
Sony a7s related videos:
Sony a7s detailed 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 andMemory 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. | ||
