Most Popular
- Sigma 12-24mm f/4.5-5.6 EX DG HSM
- Sigma 18-200mm F3.5-6.3 DC
- Digital Wide Zoom Lens Comparison
- Sigma APO 70-200mm F2.8 EX DG MACRO HSM Lens
- Sigma 10-20mm Vs Tamron 11-18mm Vs Tokina 12-24mm
- Sigma APO 200-500mm F2.8 EX DG Lens
- Sigma 10-20mm F4-5.6 EX DC HSM Lens
- Canon 10-22mm VS Sigma 10-20mm Sample Photos
- Sigma 18-50mm F/2.8 EX DC Macro Lens
- Sigma 17-35mm f/2.8-4 EX DG IF HSM
Sigma 30mm F1.4 EX DC HSM for Four Thirds
Sigma has launched the new Sigma 30mm F1.4 EX DC HSM for Four Thirds lens, a large aperture lens optimized specially for digital SLR cameras. The lens featuring STwo SLD (Special Low Dispersion) glass elements and a hybrid aspherical lens provide the utmost correction for all types of aberrations, and HSM system ensures quiet and high-speed auto focusing
PRESS RELEASE
Sigma 18-50mm F2.8 EX DC for Four Thirds
Sigma has launched the new Sigma 18-50mm F2.8 EX DC lens for Four Thirds , a large aperture zoom lens optimized specially for digital SLR cameras. The lens featuring one SLD (Special Low Dispersion) glass element and two aspherical lenses for excellent correction, and Super Multi Layer (SML) coating reduces flare and ghosting from which digital cameras tend to suffer
PRESS RELEASE
Digital Wide Zoom Lens Comparison
Ken Rockwell has done some tests comparing five wide zoom lenses designed only for digital camera with APC-size sensor. Here’s what he says about each lens
“Nikon 12-24mm
Sigma 300-800mm f/5.6 EX DG HSM
Sigma 300-800mm f/5.6 EX DG HSM lens covers the telephoto range from 300mm to the ultra-telephoto range up to 800mm. The lens is providing a constant fast aperture and is weighing in at over 13 pounds.
This lens has two ELD (Extraordinary Low Dispersion) glass elements in the front lens group for excellent correction of chromatic aberration. The HSM (Hyper Sonic Motor) for fast and silent auto focus with full-time manual focus capability. By adding 1.4x EX teleconverter you can use this lens as 420-1120mm f/8 MF, or if that’s not long enough, you can stack your 2x EX teleconverter for 600-1600mm f/11 MF. Now that’s HUGE!
REVIEWS & SAMPLES (last update 06.02.06)
Sigma 10-20mm Vs Tamron 11-18mm Vs Tokina 12-24mm
Peter K Burian has done some tests comparing the the Sigma AF 10-20mm, Tamron SP AF11-18mm, and Tokina AF 12-24mm.
“Sigma AF 10-20mm f/4-5.6 EX DC HSM: The images also exhibit great clarity and impressive definition of intricate detail. This Sigma lens seems to be optimized for the very finest results at focal lengths from about 10-14mm at most apertures. By 15mm, edge sharpness is a bit softer, although central sharpness remains very high.
Sigma 50-500mm f/4-6.3 EX DG APO HSM
Sigma 50-500mm f/4-6.3 EX DG HSM is a high magnification zoom lens, with 10x zoom ratio from 50mm to 500mm, which is optimized for Digital. The lens employs a seven-group zoom system, which provides a high zoom magnification of 10x. Triple-cam Rear Focusing System ensures high precision throughout the whole focus range.
Sigma 50-500mm f/4-6.3 EX DG HSM also equipped with a zoom lock device to eliminate “Zoom Creep” when the lens is tilted down. The tripod mount is composed of magnesium, to minimize total weight and also it is easy to grip and carry the lens due to ergonomic design of the tripod mount.
REVIEWS (last update: 25.01.06)
Sigma 17-70mm F2.8-4.5 DC MACRO Lens
Sigma has announced the launch of Sigma 17-70mm F2.8-4.5 DC MACRO Lens, a specifically designed lens for digital SLR camera featuring APS-C size image sensor.
PRESS RELEASE
Sigma Lenses Exposure Problems
Service notice has once again been issued by Sigma. This time is regarding their exposure problems with some of their lenses when used with the new Nikon D200 DLSR
Sigma Service Notice:
Notice to end-users using Sigma’s Nikon fitting lenses with D200 camera
To our valued customers,
Combination of new Nikon 200 digital SLR camera with our following products can cause improper exposure. To overcome this we will be supplying a free upgrade to our customers. We deeply apologize for any inconvenience this may have caused to our customers.
List of lenses require update for D200 camera:
Sigma 18-50mm EX DC Vs Canon 18-55mm Kit Lens
Omnicolor has taken a few test pics with his new Sigma, comparing it to the kit lens and the 50mm 1.8 II with Canon EOS 35D
Click on the image to view the images
Sigma 10-20mm F4-5.6 EX Test with Nikon D2H
Sample photos of Sigma 10-20mm with Nikon D2H have just been posted at Pbase Gallery:
- Sigma 10-20mm F4-5.6 EX @ 20mm, 1/80s, f/5.6 (original size)
- Sigma 10-20mm F4-5.6 EX @ 10mm, 1/250s, f/8 (original size)
- Sigma 10-20mm F4-5.6 EX @ 10mm, 1/160s, f/6 (original size)
- Sigma 10-20mm F4-5.6 EX @ 20mm, 1/80s, f/10 (original size)
