Sony Alpha 550
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The Sony Alpha a550 (DSLR-A550) is a midrange-level digital single-lens reflex camera (DSLR) marketed by Sony and aimed at enthusiasts, it was released in August 2009.[1] The camera features a 14.2 megapixel APS-C Type CMOS Exmor Sensor and features Sony's patented SteadyShot INSIDE stabilisation system which works with any attached lens.[2] The Sony Alpha a550's main selling point is its dual Live View mode's, Sony's normal secondary; smaller sensor based Live View mode and another which uses the main sensor with no autofocus. The a550 also features a maximum of 7frame/s continuous shooting speed when operating in speed-priority mode and a maximum ISO of 1600 when in auto mode and 12800 ISO when in manual mode.[3]
Overview | |
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Type | Digital single-lens reflex camera |
Lens | |
Lens | Sony mount; compatible with Minolta A-type bayonet mount. Sony α Lens and Konica Minolta α/MAXXUM/DYNAX Lens |
Sensor/medium | |
Sensor | 23.4 x 15.6 mm APS-C Type CMOS Exmor Sensor, 14.6 million total pixels 14.2 million effective pixels |
Maximum resolution | 4592 x 3056 pixels |
Film speed | Auto, 200, 400, 800, 1600, 3200, 6400, 12800 |
Storage media | Secure Digital/Secure Digital HC, Memory Stick PRO Duo |
Exposure/metering | |
Exposure metering | Multi-segment (40 segment Honeycomb pattern)/ Center-weighted/ Spot |
Flash | |
Flash | Manual Pop-up: Auto, Fill-flash, Slow sync., Rear flash sync, Wireless off camera flash |
Shutter | |
Shutter | Electronically controlled, vertical-traverse, focal-plane Shutter |
Shutter speed range | 30 to 1/4000 sec, with Bulb mode. |
Continuous shooting | Up to 7 frame/s max in Speed- Priority mode. |
Viewfinder | |
Viewfinder | Eye-level fixed optical glass pentamirror |
Image processing | |
White balance | Auto, daylight, shade, cloudy, Tungsten, fluorescent, flash, color temperature, custom |
WB bracketing | 3 exposures - Hi / Lo level selectable |
General | |
LCD screen | 3.0 TFT Xtra Fine LCD/ 921,600 dots |
Battery | NP-FM500H Lithium-Ion rechargeable battery (1650 mAh) |
Weight | No battery: 599 g (1.5lb) |
Made in | Japan |
The Sony Alpha a550 is "big brother" to the Sony Alpha a500, an almost identical DSLR with a smaller 12.3 megapixel APS-C CMOS sensor, no 7frame/s continuous shooting and a lower resolution LCD.