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Sony announces 28-75mm F2.8 SAM lens
Pre-IFA 2009: Sony has released a full-frame 28-75mm F2.8 SAM lens to accompany its new Alpha DSLR-A850 digital SLR. The constant F2.8 lens offers a less expensive alternative to the Sony Zeiss 24-70mm F2.8 ZA for A850 and A900 owners looks for a fast standard zoom. Construction is made up of 14 elements in 16 groups, including four aspherical elements. It features the SAM (Smooth Autofocus Motor) in-lens autofocus technology, rather than the SSM system used in the ZA lens. Priced approximately at around $800 USD, it will start shipping from November 2009.
The company has also announced a little more detail about its SAL30M28 30mm F2.8 Macro DT (APS-C format) lens. It will be launched at the same time and has a minimum focusing distance of 0.129m, giving 1:1 reproduction.
|Maximum format size||FX|
|35mm equivalent focal length (on APS-C cameras)||42-112.5mm|
|Diagonal angle of view||75°- 32 °
• 16 elements/ 14 groups
|Number of diaphragm blades||
|Minimum focus||0.38m / 1.3ft|
|Weight||565 g (20 oz)|
|Dimensions||77.5mm diameter x 94mm length
(3.2 x 3.8 in)
|Lens Mount||Sony Alpha/Minolta MA|