November 6th, 2015
Sony ?900. Official debut
Sony model release ?900, a line which have become a leader of "alphas", the Sony company opened a new step of own history, as developer and the producer of digital SLR cameras.
The main component of the chamber is the polnokadrovy sensor of the image 1st in branch (35,9 X-th 24,0 mm), executed on the CMOS technology and 24,6 Megapixels having effective permission. Sony developed by specialists, it as it is told in the press release, «provides extraordinary specification of pictures and a wide dynamic range». The sensor is equipped with the integrated analog digitizer of Exmor and the two-level scheme of oppression of noise.
Processing of images is assigned to two BIONZ microprocessors. Their productivity has enough for serial shooting with frequency of 5 shots in a second. Basic feature of the chamber is the view-finder on base the pentaprizm, providing viewing of 100 % of a shot. The chamber is armed with system of automatic focusing on nine points. In own work the system is necessary on 10 auxiliary points. The separate sensor increases accuracy of focusing when using svetosilny lenses.
?900 the producer refers existence of the optical stabilizer of the images which greatest efficiency is estimated at four steps of an exposition to pluses of a novelty of Sony. Preparatory viewing of pictures and interaction with integrated ON chambers provides the 3-inch VGA screen. The chamber is calculated on connection to TV sets of the highest clearness and equipped with the HDMI socket.
The Sony chamber case ?900 has the strengthened design in what the high-strength aluminum chassis and panels from a magnesian alloy is combined. The view-finder, slots for memory cards, governing bodies — all critical areas have protection against a dust and water. The sensor of the image is equipped with cleaning system from a dust. The chamber has two slots for memory cards. The list of supported carriers includes Memory Stick Duo, Memory Stick PRO Duo, Memory Stick PRO-HG Duo, (Microdrive) Compact Flash Type I and Type II.
The range of sensitivity stretches from ISO 200 to 3200. The expanded range includes ISO 100 and 6400 values. According to Sony, the 1st charge of the InfoLitium NP-FM500H battery suffices on 880 pictures. Optionally it is possible to complete the chamber with the batareyny VG-C90AM Vertical Grip handle in which is located one or two batteries.
The sizes of the device make 156 x 117 x 82 mm, weight — 850 g.
The chamber is calculated on lenses with Minolta A bayonet joint. At once with it lenses of 70-400 mm of F4-5,6 G SSM and Vario-Sonnar T* of 16-35 mm of F2,8 ZA SSM, and HVL-F58AM flash were let out.
?900 the company promises to begin realization in October, lenses — in further year.