Sony Alpha 850

Sony α850
Overview
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
Sensor/medium
Sensor	35.8 mm × 23.9 mm Exmor CMOS sensor
Maximum resolution	24.6 megapixels
Storage media	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	Manual, and; AF Modes : Single-shot AF, Automatic AF, Continuous AF, (AF/MF selectable);
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)
Exposure/metering
Exposure modes	Mode: Auto, Program Auto (P, with program shift), Aperture priority (A), Shutter priority (S), Manual (M)
Exposure metering	Type: TTL metering; Cell: 40-segment honeycomb-pattern SPC; Range: 0 EV to 20 EV (+2 EV to +20 EV with spot metering); (at ISO 100 equivalent with F1.4 lens) Mode: Multi segment, Spot, Centre weighted;
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
LCD screen	3.0", 921k pixels, 100% coverage
AV Port(s)	HDMI
Data Port(s)	USB 2.0
Body features	Magnesium Alloy body; weather & dust resistant uses rubber seals;
Weight	850g (bare body)
Made in	Japan

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.

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.

References

^ "DSLR-A850 | Sony α850 DSLR Camera Body". Sonystyle. Retrieved 29 January 2011.

Reviews

Review by Digital Photography Review

External links

Sony press release Archived 2011-07-16 at the Wayback Machine

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[1] 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.

[SonyStyle850-a-2] "DSLR-A850 | Sony α850 DSLR Camera Body". Sonystyle. Retrieved 29 January 2011.

[note 1]

[1]