Sony Alpha 850
The α850 (DSLR-A850) was Sony's second full-frame digital SLR, introduced on 27 August 2009. Similar to the DSLR-A900, the camera featured the same 24.6-megapixel full-frame CMOS sensor used in the a900. On 8 June 2011, Sony pre-announced the camera's end of production in July/August 2011.
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Overview | |
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Type | Single-lens reflex |
Lens | |
Lens | Sony mount; compatible with Minolta A-type bayonet mount. Sony α lens and Konica Minolta α/Maxxum/Dynax lens[note 1] |
Sensor/medium | |
Sensor | 35.8 mm × 23.9 mm Exmor CMOS sensor |
Maximum resolution | 24.6 megapixels |
Storage | Memory Stick: Memory Stick Duo, Memory Stick PRO Duo,
Memory Stick PRO-HG Duo Compact Flash Type I, Type II (Microdrive), UDMA (Mode 5) compliant |
Focusing | |
Focus |
|
Focus modes | dual-cross 9 point AF w/10 assist points, center AF w/2.8 sensor |
Focus areas | Wide (Auto, up to 9 areas), Spot, Local (9 local areas selectable) [1] |
Exposure/metering | |
Exposure modes | Mode: Auto, Program Auto (P, with program shift), Aperture priority (A), Shutter priority (S), Manual (M) |
Exposure metering |
(at ISO 100 equivalent with F1.4 lens)
|
Shutter | |
Frame rate | 3 |
Shutter | Electronically-controlled, vertical-traverse, focal-plane type |
Shutter speed range | 1/8000 sec. – 30 sec., bulb, 1/250 sec. (SteadyShot off), 1/200 sec. (SteadyShot on), maximum burst of 3 frames per second. |
Viewfinder | |
Viewfinder | Fixed eye-level system with optical glass type pentaprism, approximately 98% |
General | |
Rear LCD monitor | 3.0", 921k pixels, 100% coverage |
AV Port(s) | HDMI |
Data Port(s) | USB 2.0 |
Body composition or special features |
|
Weight | 850g (bare body) |
Made in | Japan |
The camera was almost exactly the same as the DSLR-A900, but the viewfinder coverage was dropped to 98% with 0.74× magnification and the burst rate was reduced to 3 frames per second.
Notes
- Sony's DT series lenses are not recommended for use with 35mm full-frame sensors due to their differing image circle size, which may affect light metering accuracy in certain shooting situations.
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