Digital Camera Reviews

SONY a850

Sony a850 digital camera review:
 Not long ago, Sony released a rumor in the U.S. and European markets for a long time full-frame DSLR – Sony a850. As a simplified version of the Sony a900 Sony a850 mainly in the optical viewfinder as well as continuous shooting speed to make a concession, while the overall design of the fuselage, and manipulation, as well as the use of materials with little difference between the flagship machine Sony a900.
   Sony a850 uses a 35.9x24mm’s full-frame Exmor CMOS sensor up to 24.6 million effective pixels, it is with a sensor anti-shake feature (4 files), Sensitivity range is ISO100-6400. Aircraft using the 9-point AF system (the central double cross, with 10 auxiliary right focus), metering system, is still 40 district metering (support point measurement and the center-weighted metering), the shutter speed of 30-1 / 8000 seconds (Support B Gate), flash synchronization speed of 1 / 250 sec (open the image stabilization will be 1 / 200 sec), continuous shooting speed of 3fps.
Sony a850 as long as 2000 U.S. dollars in official offer, but actually in the terminal in the retail market price would be even cheaper, the market-wide increase in the sales of digital single-lens reflex camera has never had such a low-cost products, which further opened for the Sony DSLR market, will undoubtedly play a major role.
Sony a850 measurements for size 156x117x82mm, weight 850g, fitted with batteries and card is about 930g weight, and the Sony a900 difference is not large, it should be lighter than the Nikon D700 a little, but the EOS 5D MK2 slightly more than a little bit of weight, standard NP-FM500H-type lithium-ion batteries, according to CIPA standards of the more can be taken 880 photos Sony optical viewfinder field of vision rate was 98%, magnification 0.74, and its backed by a 3-inch, 92-megapixel LCD. Although the machine still does not support the Live View and video cameras, but Sony is still providing a HDMI interface. Meanwhile, the Sony a850 also used MS and CF memory slot pairs design, and be able to use and the Sony a900 the same VG-C90AM battery handle.
 Sony a850 body shell is made of magnesium alloy die-casting, ensures maximum strength and light, in the seams and buttons around the sealed, ensuring a certain degree of dust-drop splash. Sony a850 looks like a positive α700, but the dial on the left shoulder a slight tilt from the α700 installed into a standard installation. Handle on the round window of the infrared remote control receiver window. The α sign below the left shoulder was covered in places covered rubber flash sync line interface.
  And the flagship Sony a900 is different from the Sony a850 optical viewfinder shrunk to 98% coverage, magnification 0.74x, Built-in optical viewfinder of the shading films, in the night when the shooting takes a long time exposure film can be used to shade the viewfinder eyepiece-side closed to reduce the miscellaneous light interference.
  Sony a850 in most parts of the fuselage skin using a follow-up treatment, comfortable grip and reliable, real-time is to use similar to the ZA 24-70/2.8 when such a heavy lens can also ensure good balance. Together with the Sony a850 Sony has released a new SAM 28-75mm f/2.8, it is more compact, cheaper, would be more suitable for weight-sensitive users. Sony a850-top built-in flash has not been arranged. The reason is 98% coverage viewfinder needs a large pentaprism. Need to use the flashing lights and a friend can also buy an external flash, or by flash sync cable cited.
  Sony a850′s right shoulder with the shutter button and other features, but also equipped with a small LCD to display shooting the remaining number of sheets, electricity, and so some of the information, and the α700, Sony a900 sort of like the right shoulder button-arranged method the design is not good, feeling very awkward to use.
  Sony a850 Sony a900 uses the same auto-focus detection module, which includes nine pairs of cross-automatic focus and 10 auxiliary automatic focus. Users can use the lever back to select a certain focus or simply you can use the wide-area AF mode, so you decide to use the camera to back what the focus. Sony a850 is the same support for Shake Reduction, Sony has claimed that it can reduce the shutter speed of about 2.5-4 file security.
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