Sony Alpha a7S is a new Mirrorless Digital Camera with 12.2MP Full-Frame Exmor CMOS Sensor and BIONZ X Image Processor ti capture still images quality and 4K video recording. Its the first mirrorless camera from Sony which able to record 4K video. The camera has 3.0″ 921.6k-Dot Tilting LCD Monitor, XGA 2.36M-Dot OLED Electronic Viewfinder, Full HD Recording in XAVC S, Full Pixel Read-Out with Clean HDMI Out for 4K Recording, S-Log2 Gamma, Expandable Sensitivity: ISO 50-409600, including Fast Intelligent 25-Point AF System. The Sony Alpha a7S will bea available on June 2014.
Overall Rating:
Imaging
Lens Mount Sony E-Mount
Camera Format Full-Frame
Pixels
+ Actual: 12.4 Megapixel
+ Effective: 12.2 Megapixel
Max Resolution 12MP: 4240 x 2832
Aspect Ratio 3:2, 4:3
Sensor Type / Size CMOS, 35.8 x 23.9 mm
File Formats
+ Still Images: JPEG, RAW
+ Movies: MP4, MPEG-4 AVC/H.264
+ Audio: AAC LC, AC3, Dolby Digital 2ch, Linear PCM
Bit Depth 14-bit
Dust Reduction System Yes
Memory Card Type
SD, SDHC, SDXC, Memory Stick PRO Duo (High Speed), Memory Stick PRO HG-Duo, Memory Stick XC-HG Duo
AV Recording
Video Recording Yes, NTSC
Resolution
+ 1920 x 1080: 60 fps, 50 fps, 30 fps, 25 fps, 24 fps
+ 1280 x 720: 120 fps, 100 fps
+ 1440 x 1080: 30 fps, 25 fps
+ 640 x 480: 30 fps, 25 fps
Video Format
+ High Definition
1920 x 1080p / 60 fps (50Mbps)
1920 x 1080p / 30 fps (50Mbps)
1920 x 1080p / 24 fps (50Mbps)
+ High Definition
1920 x 1080p / 50 fps (50Mbps)
1920 x 1080p / 25 fps (50Mbps)
High Definition
1280 x 720p / 120 fps (50Mbps)
1280 x 720p / 100 fps (50Mbps)
+ High Definition
AVCHD
1920 x 1080p / 60 fps (28Mbps)
1920 x 1080i / 60 fps (24Mbps)
1920 x 1080i / 60 fps (17Mbps)
+ High Definition
AVCHD
1920 x 1080p / 50 fps (28Mbps)
1920 x 1080i / 50 fps (24Mbps)
1920 x 1080i / 50 fps (17Mbps)
+ High Definition
AVCHD
1920 x 1080p / 24 fps (24Mbps)
1920 x 1080p / 24 fps (17Mbps)
+ High Definition
AVCHD
1920 x 1080p / 25 fps (24Mbps)
1920 x 1080p / 25 fps (17Mbps)
+ High Definition
MP4
1440 x 1080p / 30 fps (12Mbps)
1440 x 1080p / 25 fps (12Mbps)
+ Standard Definition
MP4
640 x 480p / 30 fps (3Mbps)
640 x 480p / 25 fps (3Mbps)
Aspect Ratio 4:3, 16:9
Video Clip Length Not Specified By Manufacturer
Audio Recording
+ Built-in Mic: With Video, Stereo
+ Optional External Mic: With Video
Focus System
Focus Type Auto & Manual
Focus Mode Continuous-servo AF (C), Direct Manual Focus (DMF), Manual Focus (M), Single-servo AF (S)
Autofocus Points Contrast Detection: 25
Viewfinder/Display
Viewfinder Type Electronic
Viewfinder Size 0.5″
Viewfinder Pixel Count 2,359,296
Viewfinder Eye Point 27.00 mm
Viewfinder Coverage 100%
Viewfinder Magnification Approx. 0.71x
Diopter Adjustment – 4 to +3 m
Display Screen 3″ Rear Touchscreen Tilting LCD (921,600)
Screen Coverage 100%
Exposure System
ISO Sensitivity Auto, 100-102400 (Extended Mode: Auto, 50-409600)
Shutter
+ Type: Electronic & Mechanical
+ Speed: 30 – 1/8000 sec, Bulb Mode
+ Type: Electronic & Mechanical
+ Speed: 1/4 – 1/8000 sec in Movie Mode
Remote Control RM-VPR1 (Optional)
Metering Method Center-weighted average metering, Multi-zone metering, Spot metering
Exposure Modes
+ Modes: Aperture Priority, Auto, Intelligent Auto, Manual, Movie, Programmed Auto, Scene Selection, Shutter Priority, Superior Auto, Sweep Panorama
+ Metering Range: EV 3.0 – EV 20.0
+ Compensation: -5 EV to +5 EV (in 1/3 or 1/2 EV steps)
White Balance Modes
Auto, Cloudy, Color Temperature, Color Temperature Filter, Custom, Daylight, Flash, Fluorescent (Cool White), Fluorescent (Day White), Fluorescent (Daylight), Fluorescent (Warm White), Incandescent, Shade, Underwater
Burst Rate
+ Up to 5 fps at 12.2 MP for up to 200 frames
+ Up to 2.5 fps at 12.2 MP for up to 200 frames
Flash
Flash Modes Auto, Fill-in, Hi-Speed Sync, Off, Rear Sync, Red-eye Reduction, Slow Sync, Wireless
Built-in Flash No
Max Sync Speed 1 / 250 sec
Flash Compensation -3 EV to +3 EV (in 1/3 or 1/2 EV steps)
External Flash Connection Hot Shoe, Proprietary
Performance
Continuous Shooting Up to 5 fps
Self Timer 10 sec, 2 sec
Connectivity 1/8″ Headphone, 1/8″ Microphone, DC Input, HDMI D (Micro), Micro-USB
Wi-Fi Capable Yes
Software System Requirements
+ Windows: Vista (SP2), 7 (SP1), 8
+ Mac: OS X 10.6 or later
Battery
Type: 1x NP-FW50 Rechargeable Lithium-Ion Battery Pack, 7.2VDC, 1080mAh
AC Power Adapter AC-PW20 (Optional)
Operating/Storage Temperature Operating
32 to 104°F (0 to 40°C)
Measure
+ Dimensions (WxHxD) 5.0 x 3.7 x 1.9″ / 126.9 x 94.4 x 48.2 mm
+ Weight: 1.08 lb / 489 g with battery and memory card
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Sony Alpha a7S Sample Photos
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Sony Alpha a7S User Manual (PDF)
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Listed below are some of the rivals of the Sony Alpha 7S.
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