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Canon 300mm F/2.8 L USM EF Mount Lens {48}

Canon Cameras
KEH Model# 212182

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Canon 300mm F/2.8 L USM EF Mount Lens {48} Description


An extremely high quality large aperture super telephoto lens used widely by professional photographers worldwide. The optical system utilizes artificial crystal fluorite and UD (Ultra-low Dispersion) glass lens elements (2nd & 3rd) to eliminate axial chromatic aberration, realizing extremely sharp, high-contrast imaging performance even at maximum aperture. Silent and super-fast AF is achieved by the inner focusing system (lens group between the front lens group and the diaphragm controls focusing) and USM (Ultrasonic Motor). The USM enables focus preset function, full-time manual focusing and electronic ring powered manual focusing, which allows the focusing speed adjustment in three steps. Those functions were applied to this lens for the first time and followed by other telephoto/super-telephoto lenses.

KEH Specifications

  • Focal Length: 300mm
  • Aperture Maximum: f/2.8
  • Aperture Minimum: f/32
  • Camera Mount Type: Canon EF
  • Format Compatibility: Canon EOS film and digital SLR full-frame and APC-S bodies
  • Angle of view: 8°
  • Minimum Focus Distance: 
  • Elements/Groups: 10/8
  • Diaphragm Blades: 8
  • Image Stabilization: No
  • Autofocus: Yes, USM
  • Tripod Collar: Yes
  • Filter Thread: 48mm
  • Dimensions: 4.92 x 9.96 inches
  • Weight: 6.3 lb
  • Manufacturer Part #: C21-8252


General information

Manufacturer Part Number C21-8252
Manufacture GTIN 082966212017
Brand Name Canon
Product information
Lens Type Long / Telephoto

Technical Information

Fixed Focal Length 300 mm
Max Aperture f/2.8

Physical Characteristics

Lens Mount Canon EF