Sony a57 DSLR Camera Features:
- 16.1 MP APS-C CMOS Sensor
- Translucent Mirror Technology
- 12 fps with Continuous Autofocus
- 15-Point Autofocus with 3 Cross Points
- Full HD 1080p with AVCHD 2.0
- 3.0" 921,600-dot Tiltable LCD
- Auto Portrait Framing
- Clear Image Zoom
- ISO 100-16000
- Tru-Finder EVF
Sony a57 DSLR Camera Official Commercial:
Sony a57 DSLR Camera Hands On:
Detail Review by Photographblog:
Photographblog Concludes the Sony a57 review with rating of "Highly Recommended". Here is the extract of the ratings:
Ratings (out of 5) | |
---|---|
Design | 4 |
Features | 4.5 |
Ease-of-use | 4 |
Image Quality | 4.5 |
Value for money | 4.5 |
Sony a57 Specifications
Camera
- Lens Compatibility : Sony A-mount lens
- Lens Mount : Sony A-mount
- Camera Type : Sony A-mount interchangeable lens digital camera
Optics/Lens
- Lens Type : A-mount 18-55mm zoom lens
- Lens Mount Type : Sony A-mount
- Aperture (Max.) : f/3.5 - 5.6
- Aperture (Min.) : f/22 - 36
- Focal Length (35mm equivalent) : APS-C 35mm eqv. 27mm to 82.5mm
- Filter Diameter : 55mm
- Lens Groups-Elements : 8 elements, 7 groups
- Minimum Focus Distance : 0.82ft (0.25m)
- Aperture Blade : 7 blades (Circular aperture)
- Aspheric Elements : 2
- Lens Weight : 7.4 oz (210g)
Focus Control
- Focus System : TTL phase detection AF (CCD line sensors)
- Focus Points : 15 points (3 points cross type)
- AF Modes : Single-shot AF, Automatic AF, Continuous AF, Manual Focus
- Focus Area : Wide, Spot, Local (15 local areas selectable)
- Focus Sensitivity : -1 EV to +18 EV (at ISO100 equivalent)
- Focus Features : Predictive Focus Control, Focus Lock
- AF Illuminator : Built-in flash, Range: approx. 3' - 15' (1m-5m)
Flash
- Flash Compensation : +/-2EV in 0.3EV steps
- Flash Coverage : 18mm (focal-length printed on the lens body)
- Recycling Time : Approx. 3 sec.
- Flash Bracketing : 3 exposures in 0.3/0.7 EV steps
- Flash Metering System : ADI, Pre-flash TTL
- Flash Modes : Auto, Fill-flash, Slow Sync., Rear Sync., Hi-speed sync., Red-eye reduction (on/off selectable for Autoflash and fill-flash mode), Wireless
- Flash Type : Built-in, Pop-up Auto
- Guide Number : 10 (in meters at ISO100)
Weights and Measurements
- Dimensions (Approx.) : Approx. 5-1/4 x 3-7/8 x 3-1/4” (132.1 x 97.5 x 80.7mm) (W/H/D) excl grip & lens mount
- Weight (Approx.) : Approx. 1lb 5.7 oz (618g) (w/battery & media) Approx. 1lb 2.9 oz (539g) (excl battery, lens & media)
Service and Warranty Information
- Limited Warranty Term : 1 Year Parts & Labor
Imaging Sensor
- Imaging Sensor : Exmor™ APS HD CMOS sensor (23.5 X 15.6mm)
- Processor : BIONZ™ image processor
- Anti Dust : Charge protection coating on Low-Pass Filter and Image Sensor-Shift mechanism
- Pixel Gross : Approx. 16.7 megapixels
- Effective Picture Resolution : Approx. 16.1 megapixels
- Focal Length Conversion Factor : 1.5x
- Color Filter System : RGB primary color filters
Viewfinder
- Type : 0.46" Xtra Fine EVF (Electronic viewfinder) (1,440,000 pixels)
- Diopter Adjustment : -4.0 to +3.0m-1
- Field of View : 100%
- Magnification : 1.04x (with 50mm lens at infinity, -1m-1 )
Exposure System
- Metering : Advanced 1200-zone evaluative metering
- Metering Modes : Multi-segment, Center-weighted, Spot
- Metering Sensitivity : -2EV to 17EV (at ISO 100 equivalent w/ f/1.4 lens)
- Exposure Compensation : +/-3.0EV?1/3EV steps)
- Exposure Settings : iAuto (AUTO), Superior Auto (AUTO+), Program Auto (P), Aperture priority (A), Shutter-speed priority (S), Manual (M), Sweep Panorama (2D/3D), Continuous Advance Priority AE, Movie, Scene Selection
- Scene Mode(s) : Portrait, Landscape, Macro, Sports action, Sunset, Night portrait, Night View, Hand-held Twilight
- Picture Effect(s) : 11 types (15 variations): Posterization (Color, B/W), Pop Color, Retro Photo, Partial Color (R,G,B,Y), High Contrast Monochrome, Toy Camera, Soft High-key, Soft Focus, HDR Painting, Rich-tone Monochrome, Miniature
- D-Range Optimizer : Yes: (Auto, Level, Off)
- Auto Exposure Lock : Yes (AE Lock button)
- Color Temperature : 2500 - 9900 k with 15-step each Magenta/Green compensation (G7 to M7), Amber/Blue (A7 to B7)
- Creative Style : Standard, Vivid, Portrait , Landscape, Sunset, Black & White, (Contrast (-3 to +3steps), Saturation(-3 to +3steps), Sharpness(-3 to +3steps))
- Exposure Bracketing : Bracket: Cont./Bracket: Single, /1/3EV, 2/3EV increments, 3 frames
- ISO : Still images: AUTO (ISO 100 - 3200)/ISO 100 - 16000 (1 EV step), Movies: AUTO (ISO 100 - 3200 equivalent)/ISO 100 - 3200 equivalent (1 EV step) ; Multi Frame NR (up to ISO 25600)
- Noise Reduction : Long exp. NR: (On/Off, available of shutter speeds longer than 1 sec.) High ISO NR: (High, Normal, Low) Multi Frame NR: (Auto/ISO100-25600)
- White Balance Mode : Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent, Warm White, Cool White, Day White, Flash, Setting the color temperature, Custom
Advanced Features
- Advanced User Interface : Easy-to-understand Graphic Display and on-screen Help Guide User-friendly function menu
- Anti Motion Blur : 6-image layering
- Auto High Dynamic Range : Yes, (Off/On, Auto Exposure Difference, Exposure difference Level (1-6 EV at 1.0 EV step)
- Sweep Panorama : Yes (2D/3D)
- Face Detection : Off, Auto, Child Priority, Adult Priority (up to 8 faces detectable)
- Smile Shutter™ technology : Yes - Off, Slight, Normal, Big
- Tracking Focus : Yes
- Image Stabilization : SteadyShot INSIDETM image stabilization
Power
- Battery Type : InfoLITHIUM® NP-FM500H (7.4V)
- Number of Still Images : Approx. 550 images with viewfinder, 590 images with LCD monitor (CIPA standard)
Recording
- Media Type : Memory Stick PRO Duo™/Pro-HG Duo™ media; SD, SDHC and SDXC memory card
- Color Space : sRGB, AdobeRGB
- Still Image Mode : JPEG (Standard, Fine), RAW, RAW+JPEG
- Still Image Size 16:9 : L size: 4912 x 2760 (14M) M size: 3568 x 2000 (7.1M) S size: 2448 x 1376 (3.4M)
- Still Image Size 3:2 : L size: 4912 x 3264 (16M) M size: 3568 x 2368 (8.4M) S size: 2448 x 1624 (4M)
- Panorama Still Image Size : Horizontal Wide: 12,416 x 1,856 (23M) Horizontal Std.: 8,192 x 1,856 (15M) Vertical Wide: 2,160 x 5,536 (12M) Vertical Std.: 2,160 x 3,872 (8.4M) 3D Sweep Panorama: Horizontal Wide: 7152 X 1080 (7.7M) Horizontal Std.: 4912 X 1080 (5.3M) 16:9: 1920 X 1080 (2.1M)
- Video Format : AVCHD / MP4 (MPEG-4 AVC (H.264))
- Video Mode : AVCHD: 1920 x 1080 (60p/28Mbps/PS, 60i/24Mbps/FX, 60i/17Mbps/FH, 24p/24Mbps/FX, 24p/17M/bps/FH) MP4: 1440 x 1080 (30fps/12Mbps), VGA: 640 x 480 (30fps/3Mbps)
- Video Resolution : 1920x1080
- Video Signal : NTSC color, EIA standards
- Audio Format : Stereo Dolby Digital (AC-3) / MPEG-4 AAC-LC
- Microphone/Speaker : Built-in Stereo Microphone
LCD Display
- LCD Type : 3.0” TFT Xtra Fine™ LCD (921,600 pixels) w/TruBlack™ technology
- Angle Adjustment : 180 degrees from the camera back, leftward rotation in 270 degrees with LCD monitor facing forward
- Brightness Control : Auto/Manual (5 steps between -2 and +2)
- Coverage : 100%
- Live View : Continuous Live View (LCD/EVF Auto, selectable)
- Real-time image adjustment display : Yes(On/Off)
- Histogram : Yes (On/off)
- Grid Display : Yes (On/off)
- Customization : Grid, Histogram display, Digital Level Gauge, Grid Line, Magnified display for playback
Drive System
- Burst Buffer : [Tele-zoom] Fine: 23 images/Std: 25 images [Priority AE] Fine: 23 images/Std: 27 images/RAW & JPG: 18 images/RAW: 21 images [Cont.] Fine: 25 images/Std: 29 images/RAW & JPG: 19 images/RAW: 21 images
- Continuous Shooting Speed : Tele-zoom Cont. Advance Priority AE: Up to 12 fps; Cont. Advance Priority AE: Up to 10 fps; Cont. shooting Hi 8 fps/ Lo 3fps (Speed may vary depending on shooting conditions and memory card in use)
- Drive Mode : Single-shot, Continuous shooting (Hi/Lo selectable), Self-timer (10/2 sec delay selectable), Bracket: Cont./Single, White Balance bracket, Remote commander (RMT-DSLR1 Sold Separately)
- Flash Sync Speed : 1/160 seconds
- Self-timer : 2-sec. or 10-sec. delay,
- Shutter Speeds : Still:1/4000 to 30 seconds, bulb Movies: 1/4000 to 1/4 (1/3 step), up to 1/60 in AUTO mode
- Shutter Type : Electronically-controlled, vertical-traverse, focal-plane shutter
Interface
- Microphone Input : Yes (3.5 mm Stereo minijack)
- Accessory Shoe : Yes (Alpha)
- BRAVIA® Sync™ : Yes, via HDMI with compatible BRAVIA HDTV
- DVDirect : Yes, via USB
- HD Output : HDMI (TypeC mini)
- Memory Card Slot : Single card slot: Memory Stick PRO Duo™/Pro-HG Duo™ media - SD, SDHC and SDXC memory card
- PhotoTV HD : Yes, with BRAVIA Sync™ enabled HDTV and HDMI cable
- USB Port(s) : USB2.0 Hi-speed (mass-storage, PTP)
Software
- Supplied Software : PlayMemories Home, Image Data Converter Ver. 4
- Operating System Compatibility : Windows XP SP3 (64-bit and Starter Editions are not supported,Windows Image Mastering API(IMAPI)Ver.2.0 or later is required to use the function for creating discs.) Windows Vista SP2 (Starter Edition is not supported) Windows 7 SP 1; Mac OS X(v10.5-?10.6) (Image Data Converter only, PlayMemories Home is not Mac compatible)
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