Sony Alpha

Sony Alpha A850 Digital SLR Review: Field Test Report

The World’s Most Affordable Full-Frame DSLR

a850 Product

Boasting the highest resolution available in a 35mm size DSLR, the latest Sony camera is also the most affordable full-frame model on the market. Priced to sell at about $700 less than the Sony A900, the Nikon D700 and the Canon EOS 5D Mk II, the A850 is a downright bargain (from Amazon Sony Alpha DSLRA850 24.6MP Digital SLR Camera (Body Only); from B&H Photo).

In spite of the moderate price, it’s identical to the A900 in most aspects, including the 24x36mm CMOS sensor with 24.6 million effective pixels. Each light-sensitive dot is quite large: 5.9 microns squared. In addition to excellent light gathering ability, analog-to-digital conversion and noise reduction processing- right on the sensor-combine to provide optimal image quality.

Because the A850 employs a sensor that's the same size as a 35mm film frame, there's no field of view crop. Hence, even a 24mm focal length includes a very wide portion of any scene. The 24.6 MP CMOS chip provides superlative resolution at commonly used ISO's, making this camera an ideal choice when huge prints are required. (Carl Zeiss 24-70mm zoom at 24mm) ©2009 Peter K. Burian
Because the A850 employs a sensor that's the same size as a 35mm film frame, there's no field of view crop. Hence, even a 24mm focal length includes a very wide portion of any scene. The 24.6 MP CMOS chip provides superlative resolution at commonly used ISO's, making this camera an ideal choice when huge prints are required. (Carl Zeiss 24-70mm zoom at 24mm) ©2009 Peter K. Burian

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