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Specifications


Focal length 300mm (35mm equivalent focal length: 600mm)
Maximum / Minimum aperture F2.8 / F22
Lens construction diagram 13 elements in 11 groups (3 ED lenses)
Splashproof Dustproof/splashproof mechanism
Focusing system Floating-type inner focusing systemAngle of view
Angle of view 4.1°
Closest focusing distance 2.4m
Maximum image magnification 0.15x (35mm equivalent maximum image magnification: 0.30x)
Minimum field size 115.3 × 86.7mm
Number of diaphragm blades 9
Filter size Comes with a dedicated drop-in filter (43mm diameter)
Front filter diameter Ø112mm
Dimension (max. diameter x total length) Ø127 × 285mm
Weight 3,290 g (when tripod is attached)

Depth of field

When focusing on a subject, there is an area behind and in front of the focused point that is also in focus. This area is called depth of field. The amount of area behind a focused point will always be greater than the area in front of the focused point regardless of aperture. Depth of field becomes deeper when the focal length is short (wide-angle lens), the focusing distance is long, and aperture is small.

Depth of field table (focal length: 300mm)

  2.4 3.0 5.0
2.8 2.345
to
2.349
2.996
to
3.004
4.988
to
5.012
1845.161
to
4 2.344
to
2.350
2.995
to
3.005
4.984
to
5.016
1314.930
to
5.6 2.343
to
2.351
2.993
to
3.007
4.977
to
5.023
929.991
to
8 2.341
to
2.353
2.990
to
3.010
4.968
to
5.032
657.797
to
11 2.339
to
2.355
2.986
to
3.015
4.955
to
5.046
465.326
to
16 2.336
to
2.358
2.980
to
3.021
4.937
to
5.065
329.228
to
22 2.331
to
2.363
2.972
to
3.029
4.911
to
5.093
232.992
to
  • Specifications are subject to change without notice.

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