Sony 300mm f/2.8 G SSM II SAL300F28G2

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Lens Specifications
Name Sony 300mm f/2.8 G SSM II SAL300F28G2
Image Circle 35mm
Type Telephoto Prime
Focal Length 300mm
APS Equivalent 450mm
Max Aperture f/2.8
Min Aperture f/32
Diaphragm Blades 9 (rounded)
Lens Construction 13 elements in 12 groups, including 3 ED elements
Diagonal Angle of View(Based on image circle) 8.2 degrees
Focus Details Internal; SSM (Super Sonic wave Motor) with Direct Manual Focus (2 modes), Focus Hold button, Focus Range selector, Prefocus function
Front Element Rotation No
Zoom System n/a
Closest Focus 2.0m / 6.6 ft.
Magnification Ratio 0.18x / 1:5.6
Filter Size 42mm
Dimensions(Length x Diameter) 242.5mm x 122mm / 9.54 in. x 4.80 in.
Weight 2340g / 5.16 lbs
Notes Thanks to a new LSI drive circuit, the SAL-300F28GII offers faster, more accurate autofocusing with four times faster object tracking performance than the currently available 300mm F2.8 G SSM lens.
Typical Online Price US$7,500 (Available Nov. 2012)