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Sigma 105mm f/2.8 EX DG Macro

Sigma 105mm f/2.8 EX DG Macro
Sigma 105mm f/2.8 EX DG Macro
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Sigma 105mm f/2.8 EX DG Macro
Sigma 105mm f/2.8 EX DG Macro
MTF Charts: 
Sigma 105mm f/2.8 EX DG Macro

Overview

Description by Sigma:

LENS DISCONTINUED

  • Designed for use with full frame digital SLR cameras. May also be used with smaller APS-c size sensors with a corresponding effective increase in focal length to about 150mm with most cameras
  • Focuses down to 1:1 magnification ratio at its closest working distance of 12.3 inches
  • Extremely compact weighing only 16 ounces & measures only 3.8 inches long.
  • A lens hood, front & rear lens caps and carrying case are included with the lens.

This Sigma Macro 105mm F2.8 EX DG is a large aperture medium macro lens ideal shooting the smaller things in our world that exist virtually unseen. A macro lens is one which will focus on a subject close enough to render it “life-size” on the image plane in your camera. It also has a “flat” field” front lens element so that it can shoot images of flat objects such as artwork or postage stamps and be tack sharp all the way across the image. This Sigma Macro 105mm F2.8 is ideally suited for taking pictures insects or other small creatures, but it is also the perfect focal length for facial portraits rendering the best perspective of the human face. This greater distance also allows the photographer more flexibility in lighting the subject with natural light reflectors. Three SLD (Special Low Dispersion) glass elements provide optimum color correction and sharpness throughout the entire range and a Super Multi-layer coating reduces flare and ghosting. A floating internal focus system enables a minimum shooting distance of 12.3 inches enabling ability to shoot with critical sharpness regardless of distance. So don’t miss the tiny insects, flowers of the world or the details in a stamp or coin collection or a piece of embroidery all of which are seldom noticed but offer a fascinating world if you look closely enough. Capture them with the Sigma Macro 105mm F2.8 EX DG.

*Depth of field of medium telephoto macro lenses is generally very shallow;
  however, Sigma, Canon and SONY mounts of this lens have a minimum aperture
  of F45 (or F22 for FOUR THIRDS or F32 for Nikon and Pentax mounts)
  for incredible depth of field.

*Minimum Aperture: F45: CANON, SIGMA,SONY F32: NIKON, PENTAX F22: FOUR THIRDS

* Nikon Mount: NO built in motor lens: NOT compatible with D40, D40x, D60, D3000, D5000

Reviews

"Sigma's powder coated finish has been applied to much of the exterior plastic, which not only looks quite smart, but adds to the quality feel. As with many lenses from Sigma's EX series, the front of the focusing ring is nicely finished off with a gold band and the knurled rubber focusing ring takes up much of the lens barrel. The lens feels solidly put together, without being too heavy.

Sliding the focus ring back and forth switches between manual and autofocusing modes. There is no need

Post date: 07/06/2011 - 00:00

Specifications

DXO Mark Score
Transmission: 
3.3 TStop
Distortion: 
0.10%
Vignetting: 
-0.9 EV
Chr. aberration: 
4.00µm
Specifications
Lens type: 
Macro
Lens Mount: 
Nikon F mount
Canon EF mount
Canon EFS mount
Four Thirds Mount
Pentax Kaf Mount
Sony A mount
Sigma SA mount
Optical characteristics
Focal Length: 
105mm
Max Magnification: 
1:1
Lens construction: 
11 Elements in 10 Groups
Diaphragm Blades: 
8 aperture blades
Maximum Aperture: 
f/2.8
Minimum Aperture: 
f/45
Minimum Focusing Distance: 
0.31cm
Physical characteristics
Diameter: 
74.0mm
Length: 
95.0mm
Weight: 
450g / 15.9oz.
Filter Diameter: 
58mm

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A notice Our vast database is currently being re-constructed. Estimated finishing date is sometime in June/July 2012. Bookmark us and check back again for the grand opening of the ultimate Lens database. The Estiasis.com team

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