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Sigma

Sigma 105mm f/2.8 EX DG OS HSM Macro Lens for Pentax DSLR Cameras

SKU: SG10528MPXAF MFR: 258109
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About the Sigma 105mm F/2.

The Sigma 105mm f/2.8 EX DG OS HSM Macro Lens for Pentax DSLR Cameras offers advanced performance of close-up photography. The OS (Optical Stabilizer) system enables handheld close-up photography. A Special Low Dispersion (SLD) lens and one high refractive index SLD lens provide excellent correction for all types of aberration and distortion. A floating focusing system moves two different lens groups in the optical path to different positions. This system compensates for astigmatic aberration and spherical aberration and provides extremely high optical performance from infinity to 1:1 Macro.

The Super Multi-Layer Coating reduces flare and ghosting, providing high contrast images. It is also possible to use this lens with Sigma's APO TELE CONVERTERS. The HSM (Hyper Sonic Motor) ensures quiet and high speed autofocus as well as full-time manual focus capability. This lens features a splash proof design for use in harsh conditions and a rounded 9 blade diaphragm creating an attractive blur to the out of focus areas of the image.

Sigma 105mm F/2. Includes

  • Sigma 105mm f/2.8 EX DG OS HSM Macro Lens
  • Hood Adapter
  • Lens Hood
  • Front & Rear Lens Caps
  • Sigma Warranty

Summary of Customer Reviews

Customers most agreed on the following attributes:
Pros:
Consistent output (5) , Nice bokeh (5) , Strong construction (5) , Durable (4) , Fast / accurate auto-focus (4) , Nice bokeh (3) , Easily interchangeable (3) , Lightweight (3)
Cons:
Heavy (3) , Heavy (3) , Slow focus (3)
Best Uses:
Macro photography (9) , Weddings (3)
Reviewer Profile:
Photo enthusiast (6) , Photo enthusiast (3) , Pro photographer (2) , Semi-pro photographer (1) , Casual photographer (1) , Semi-pro photographer (1)

Sigma 105mm F/2. Features

  • 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 measuring only 5.1 inches long
  • A hood adapter, lens hood, front & rear lens caps are included with the lens

Sigma 105mm F/2. Specifications

Lens Construction 16 Elements in 11 Groups
Angle of View 23.3 degrees
Number of Diaphragm Blades 9
Minimum Aperture f22
Minimum Focusing Distance 31.2 cm / 12.3 in
Filter Size Diameter 62mm
Maximum Magnifications 1:1
Compatibility Pentax DSLR Cameras
Dimensions (Diameter x Length) 126.4mm x 78.3mm / 5.0 in. x 3.1 in.
Weight 725g / 25.6oz.
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