Sigma EX 300mm f/2,8 APO DG HSM Specifications

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Name Sigma EX 300mm f/2,8 APO DG HSM

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Manufacturer Sigma
Release Date and Price
Release Year 2005
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Lens Type
Lens Type Telephoto Lens
Zoom or Prime Prime lens (no possibility to zoom)
Mount and Compatibility
Mount Canon (see compatible cameras)
Nikon (see compatible cameras)
Compatibility Works on all sensors (see compatible cameras)
Closest Focusing Distance 250 cm
Autofocus (AF) Yes
Built-in autofocus (AF) motor Yes (more info)
Maximum aperture f/2,8
Elements: 11 elements / 9 groups
Focal Length 300 mm

Depending on which camera this lens is used the focal length can seem different. This is because different camera sensors can have a slight crop factor and the focal length will be equivalent to:
  • 300 mm on Canon FF, Full frame
  • 390 mm on Canon APS-H
  • 480 mm on Canon APS-C
  • 300 mm on Nikon FX, Full frame
  • 450 mm on Nikon DX, APS-C
See list, camera for camera

Read more on the cameras impact on the perceived focal length
Diameter 119 mm
Length 214 mm
Weight 2400 g (see the total weight, camera+lens)
Image stabilization No
Filter Drop-in Filter, 52 mm
Lens Hood LH1196-01 195 (included)
Tripod mount Yes, a tripod mount is included (Read more)
Weather sealing No