Wednesday, August 29, 2012

Sigma 70-300mm f/4-5.6 SLD DG Macro Lens with built in motor for Nikon Digital SLR Cameras

Sigma 70-300mm f/4-5.6 SLD DG Macro Lens with built in motor for Nikon Digital SLR Cameras Review



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Sigma 70-300mm f/4-5.6 SLD DG Macro Lens with built in motor for Nikon Digital SLR Cameras Feature

  • 14 Elements in 10 Groups Lens Construction
  • 34.3 to 8.2 degrees angle of view
  • F22 Minimum Aperture
  • 59.1 (150cm) / 37.4 (95cm) Macro Mode Minimum Focusing Distance
  • 1 - 4.1 / 1 - 2 Macro Mode Maximum Magnification
The built-in motor allows autofocus with all Nikon digital ameras. These lenses incorporate a macro feature with aximum magnification 1:2 at the 300mm focal length. It is suitable for various types of shooting conditions. This telephoto lens has a 1:2 maximum magnification at the 300mm focal length. It is ideal for portraits, sport and other types of photography. SLD (Special Low Dispersion) glass provides excellent correction of chromatic aberration. The super multi-layer coating reduces flare and ghosting. High image quality is assured throughout the entire zoom range.

Lens Construction
  • 14 Elements in 10 Groups
  • Angle of View: 34.3 - 8.2 degrees
  • Number of Diaphragm Blades: 9 Blades
  • Minimum Aperture: F22
  • Minimum Focusing Distance: 95-150cm / 37.4-59.1 in.
  • Maximum Magnification: 1:4.1 (1:2 Macro mode)
  • Filter Size: Diameter 58mm (Rear)
  • Filter Size: Bayonet-type Hood
  • Diameter: 76.6mm
  • Length: 119.5mm
  • Weight: 540g/19 oz.


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Tuesday, August 28, 2012

Sigma 150-500mm f/5-6.3 AF APO DG OS HSM Telephoto Zoom Lens for Nikon Digital SLR Cameras

Sigma 150-500mm f/5-6.3 AF APO DG OS HSM Telephoto Zoom Lens for Nikon Digital SLR Cameras Review



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Sigma 150-500mm f/5-6.3 AF APO DG OS HSM Telephoto Zoom Lens for Nikon Digital SLR Cameras Feature

  • Front & Rear Caps
  • Lens Hood
  • TS-31 Tripod Collar
  • Case
  • Strap
This ultra-telephoto zoom lens covers a telephoto range up to 500mm and allows photographers to bring the subject close and short perspective. Sigma's original OS (Optical Stabilizer) function offers the use of shutter speeds approximately 4 stops slower. It is ideal for sports, wildlife and landscape photography with handheld shooting. Three SLD (Special Low Dispersion) glass elements provide excellent correction for chromatic aberration. This lens is equipped with a rear focus system that minimizes fluctuation of aberration caused by focusing. The super multi-layer lens coating reduces flare and ghosting. High image quality is assured throughout the entire zoom range. This lens incorporates HSM (Hyper Sonic Motor), which ensures a quiet and high-speed AF as well as full-time manual focusing capability. The addition of the (optional) 1.4x EX DG APO or 2x EX DG APO Tele Converters produce a 210-700mm F7-9 MF ultra-telephoto zoom lens or a 300-1000mm F10-13 MF ultra-telephoto zoom lens respectively. A removable tripod socket (TS-31) is included as a standard component.


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