Sony Alpha 850

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Sony α850
220px
Type Single-lens reflex
Sensor 35.8 mm × 23.9 mm Exmor CMOS sensor
Maximum resolution 24.6 megapixels
Lens Sony mount; compatible with Minolta A-type bayonet mount. Sony α lens and Konica Minolta α/Maxxum/Dynax lens[note 1]
Focus
  • Manual, and
  • AF Modes : Single-shot AF, Automatic AF, Continuous AF, (AF/MF selectable)
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.
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
Exposure modes Mode: Auto, Program Auto (P, with program shift), Aperture priority (A), Shutter priority (S), Manual (M)
Focus areas Wide (Auto, up to 9 areas), Spot, Local (9 local areas selectable) [1]
Focus modes dual-cross 9 point AF w/10 assist points, center AF w/2.8 sensor
Viewfinder Fixed eye-level system with optical glass type pentaprism, approximately 98%
Rear LCD monitor 3.0", 921k pixels, 100% coverage
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
AV Port(s) HDMI
Data Port(s) USB 2.0
Body composition or special 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

  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.

References

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Reviews

External links

 
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Minolta/Konica Minolta/Sony DSLR and SLT A-mount timeline
Sensor 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016
3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4
Professional Full frame α900 α99
α850
High-end APS-C DG-7D α700 α77 α77 II
Midrange α65 α68
Upper-entry α55 α57
α100 α550 α580 α58
DG-5D α500 α560
α450
Entry-level α33 α35 α37
α350 α380 α390
α300 α330
α200 α230 α290
Early models Minolta 7000 with SB-70/SB-70S (1986) · Minolta 9000 with SB-90/SB-90S (1986) (Still video SLRs)
Minolta MS-C1100 (1992) · Minolta RD-175 (1995)


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