Focal Length : 300mm
Maximum Aperture : 2.8
Minimum Aperture : 22
Lens construction : 13 Elements in 11 Groups
Angle of View : 4.2 Degree
Closest Focusing Distance : 2.4m (7.9 ft)
Maximum Image Magnification : 0.15x
Minimum Field Size : 115.3 x 86.7mm
Number of Blades : 9
Filter Thread : 43 mm
Dimensions (D x L) : 127 x 285mm (5.1" x 11.1 in)
Weight : 3290g (7.25 lbs) with Tripod Adapter

Lens Case
Lens Hood
Front Lens Cap
Rear Lens Cap
Tripod Adapter
Filter Holder
Drop-in Filter Set (Clear, ND2, ND4, and Circular Polarizer).
Olympus 300mm F2.8 Instruction Manual