Sony FE 400mm f/2.8 GM OSS SEL400F28GM

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Lens Specifications
Name Sony FE 400mm f/2.8 GM OSS SEL400F28GM
Image Circle 35mm (Full-frame E-Mount)
Type Telephoto Prime
Focal Length 400mm
APS Equivalent 600mm
Max Aperture f/2.8
Min Aperture f/22
Diaphragm Blades 11 (circular)
Lens Construction 23 elements in 17 groups, including 1 ED and 3 Fluorite elements; Fluorine coating
Diagonal Angle of View(Based on image circle) 6.2 degrees
Focus Details Internal focus via dual XD (eXtreme Dynamic) Linear Motors; AF/MF, Full-time DMF, Focus Limit, Function Preset, OSS On/Off, OSS Mode and Beep switches; Set and 4 Focus Hold buttons
Front Element Rotation No
Zoom System n/a
Closest Focus 2.7m / 8.9 ft.
Magnification Ratio 0.16x / 1:6.3
Filter Size 40.5mm drop-in type
Dimensions(Length x Diameter) 359mm x 158.1mm / 14.13 in. x 6.22 in.
Weight 2895g / 6.38 lbs
Notes Optical SteadyShot Image Stabilization; Dust and moisture resistant; Included Accessories: Front cap, Rear cap, Lens strap, Lens hood (ALC-SH155), Lens case, Strap for case, Key for lens case.
Typical Online Price US$12,000 (Avail. Sept. 2018)