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Canon EF 300 mm f/ 2.8 L IS II USM Lens

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Canon EF 300 mm f/ 2.8 L IS II USM lens

Canon EF 300 mm f/ 2.8 L IS II USM lens

MTF-charts

Canon EF 300 mm f/ 2.8 L IS II USM MTF Chart

Canon EF 300 mm f/ 2.8 L IS II USM MTF Chart

Canon EF 300 mm f/ 2.8 L IS II USM MTF Chart

Optical design

Canon EF 300 mm f/ 2.8 L IS II USM optical design

Format: 35mm SLR

Type: Prime lens

Focusing: Auto Focus (AF)

Lens mounts: Canon EF, EF-S, Canon EF, EF-S

First year of production: 2010

Optical design: 16/12 (2F)

Features: Ultra-Sonic Motor, Optical stabilisation
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Average price: $5867

Specifications:

Focal lengthMax. apertureMin. apertureBladesMin. Focus (m.)Filter Ø (mm.)Weight (gr/oz)Length (mm/in)
300mmf/2.8f/3292522400/84,7248/9,8

Additional information:

The Canon EF 300 mm f/ 2.8 L IS II USM         

  • ring-type USM autofocus drive
  • FTM during autofocusing operations
  • internal focusing (rear) system
  • 4-stop optical image stabilizer with 3 modes
  • distance information is transmitted
  • diagonal angle of view 8°15′
  • horizontal angle of view 6° 50′
  • vertical angle of view 4° 35′
  • max. magnification 0.18
  • magnification with Extension Tube EF12 II    0.22-0.04
  • magnification with Extension Tube  EF25 II   0.28-0.09
  • maximum diameter  128 mm
  • special drop-in filter diameter 52 mm
  • circular aperture
  • compatibility with Canon extenders (see MTF charts)
  • lens hood ET-120 (WII)
  • rigid case 300B
  • lens cap E-145C
  • water and dust protected lens body (glass elements are fixed to the rubber-coated lens ring)
  • Price $ 7,300

The latest Canon EF 300 mm f/ 2.8 L IS II USM, released in 2010, is a professional  high-quality telephoto lens, ideal for shooting sporting events and wildlife. As compared with the 1997 variant, the optical scheme has been fully redesigned, the lens is equipped with a new image stabilizer and new magnesium body with titanic parts. New autofocus algorithms  and a new processor have been introduced.

The two fluorite glass elements minimizes chromatic aberrations, providing high resolution and contrast. The Super Spectrа lens coating is optimized for each element depending on its type and position. SubWavelength Coating (SWC), more minute than the wavelength of visible light, prevents ghosting and flare caused by reflected light. The front and rear elements utilize fluorite water repellent coating for preventing dust and dirt.

A new 4-stop IS features update Mode 2 for panning. Mode 3 has been introduced: it enables fast switching from one subject to another, as this mode activates the stabilization only when the shutter button is pressed. A new Power Focus mode is useful for video filming: it enables fine focus adjustment during video recording by turning the focus ring.

The set of special tripod mounts allows you to use a long or a short mount for monopods or tripods. A new swinging mechanism of a tripod mount secures a smooth change of portrait and landscape lens orientations


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Posted by: dv   Date of publication: 16.10.2010


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