davidsoneverett14

A fine WordPress.com site

Sigma 28-70mm f/2.8 EX DG IF Aspherical Lens for Nikon SLR Cameras

leave a comment »

  • Zoom lens with Nikon-D AF mount
  • Special low-dispersion glass for high image quality
  • 28 to 70 mm focal length
  • f2.8 maximum aperture
  • Inner focusing system allows add-on hoods and filters

EX DG Lenses are designed for digital SLR cameras as well as 35mm film cameras. The power layout of the lens is specially optimized for digital SLR cameras, and Super Multi Coating gives superb color performance whilst cutting down flare and ghost. Two SLD (special low density) elements and four aspherical lenses provide correction against distortion as well as all types of aberration, especially spherical aberration. Features: Super Multi Layer (SML) coating reduces ghost and flare Two pieces of Special Low Dispersion (SLD) elements and four aspherical lenses provide high quality images throughout the entire zoom range Minimum focusing distance of 33cm (13 ) at all focal lengths The inner focus system allows the lens to focus without rotating the front element, therefore a Petal-type hood and circular polarizing filters are easily used Specifications: Focal length: 28-70mm Minimum aperture: F22 Lens construction: 14 elements in 12 groups Angle of view: 75.4-34.3deg. Number of diaphragm blades: 9 pcs Overall lens length: 87.2mm (3.4 ) Maximum diameter: 74mm (2.9 ) Filter size: 67mm Lens hood: petal shape bayonet Weight: 510g (18 ozs.) Minimum focusing distance: 33cm (13 ) at all focal lengths Maximum magnification ratio: 1:4.4

Get cheap

Written by davidsoneverett14

June 8, 2013 at 5:10 pm

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

%d bloggers like this: