Sigma Announces new Macro 70mm F2.8 EX DG Lens
http://www.slrtoday.com/articles/124/1/Sigma-Announces-new-Macro-70mm-F28-EX-DG-Lens/Page1.html
By SLR Today
Published on 11/15/2006
Sigma has announced the release of a new 70mm F2.8 medium telephoto macro lens. The lens is designed for a wide variety of macro photography with a range from infinity to 1:1. The lens has a floating focus system for superior optical performance, and a "focus limiter switch" designed to limit focus range and improve the overall speed and accuracy of the autofocus.
Sigma
has announced the release of a new 70mm F2.8 medium telephoto macro
lens. The lens is designed for a wide variety of macro photography with
a range from infinity to 1:1. The lens has a floating focus system for
superior optical performance, and a "focus limiter switch" designed to
limit focus range and improve the overall speed and accuracy of the
autofocus.
According to Pentax, "the 70mm focal length gives an equivalent field of view as our popular 105mm macro lens when used on digital SLR cameras with an APS-C size image sensor." The lens is compatible with a wide variety of Nikon, Pentax, and Canon EOS digital cameras.
Price: $400
Specifications
Sigma has announced the release of a new 70mm F2.8 medium telephoto macro lens. The lens is designed for a wide variety of macro photography with a range from infinity to 1:1. The lens has a floating focus system for superior optical performance, and a "focus limiter switch" designed to limit focus range and improve the overall speed and accuracy of the autofocus. Sigma Announces new Macro 70mm F2.8 EX DG Lens
Sigma
has announced the release of a new 70mm F2.8 medium telephoto macro
lens. The lens is designed for a wide variety of macro photography with
a range from infinity to 1:1. The lens has a floating focus system for
superior optical performance, and a "focus limiter switch" designed to
limit focus range and improve the overall speed and accuracy of the
autofocus. According to Pentax, "the 70mm focal length gives an equivalent field of view as our popular 105mm macro lens when used on digital SLR cameras with an APS-C size image sensor." The lens is compatible with a wide variety of Nikon, Pentax, and Canon EOS digital cameras.
Price: $400
Specifications
|
Lens Construction |
10 Elements in 9 Groups |
| Angle of View | 34.3 degrees |
| Number of Diaphragm Blades | 9 Blades |
| Minimum Aperture | F22 |
| Minimum Focusing Distance | 25.7cm |
| Maximum Magnification | 1:1 |
| Filter Size | Diameter 62mm |
| Dimensions | Diameter 76mm X Length 95mm |
| Weight | 525g |
| Corresponding AF Mounts |
SIGMA, CANON, NIKON (D), SONY/MINOLTA (D), PENTAX |