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Features
Specifications
Features
Overview: The Tamron AF
70-200mm F/2.8 LD (IF) tele-Zoom/Macro Lens (Model A001E) is an accessory lens,
specifically designed for use with Canon digital SLR and 35mm cameras. It has
the standard Canon bayonet-type mount. This tele-zoom lens covers a desirable
focal length range of 70mm medium telephoto to 200mm telephoto when mounted on
full-size format SLR cameras and a focal length range from 109mm to 310mm ultra
telephoto when mounted on a DSLR camera with an APS-C sized imager.
Zoom: This 70-200mm lens has an
1.55x zoom capability. When converted to the 35mm film format, the zoom yields
the equivalent of a 109-310mm zoom range.
Di: Tamron Di (Digitally Integrated Design) is a designation Tamron
puts on lenses featuring optical system designed to meet the performance
characteristics of digital SLR cameras as well as film cameras.
Optical Features: This lens has
the following optical features:
- Low Dispersion Glass (LD):
The use of Low Dispersion (LD) glass elements greatly reduces the effect of
chromatic aberration, a form of optical noise, and dramatically increases
image sharpness.
- Internal Focusing (IF):
Tamron's Internal Focusing System enhances lens maneuverability and reduces
the Minimum Focus Distance (M.F.D.) throughout its entire focal length.
Lens Hood: A bayonet-type lens
hood is provided with the lens. The lens hood prevents stray light from entering
the lens, which can be harmful to the picture. When not in use, the lens hood
can be inverted and stored on the lens. The lens hood adds approximately 3.75"
length to the lens. Note: Using the camera's built-in flash with the lens
hood in place can cause shadows to appear on the image.
Focus Modes: The lens can be
used in either Automatic or Manual Focus modes. When you switch to
manual focus (using the switch located on the lens barrel), you can focus on your subject by rotating the focus ring on the
lens.
Manual Zoom: You can manually
zoom in or out by rotating the zooming ring of the lens while viewing your
subject through the camera's viewfinder and compose your image at the chosen
focal length.
Specifications
- Focal Length: 70-200mm
- Maximum Aperture: F/2.8
- Minimum Aperture: F/32
- Angle of View: 34° 21' -
12° 21'
- Lens Construction: 13
groups/18 elements
- Minimum Focusing Distance: 3.1' (0.95 meters)
- Maximum Magnification Ratio:
1:3.1 (at f=200mm MFD 0.95m)
- Filter Size: 77mm
- Length: 8.065"
- Diameter: 3.525"
- Weight: 40.6 oz
