Test Reports
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Lenses, Test Reports
Peter K. Burian Nov 01, 1999 0 comments

The single most prolific lens manufacturer these days, Sigma announced a full 10 new lenses this spring, ranging from an 8mm circular fisheye to the new APO 800mm f/5.6EX HSM. This group included the two zooms tested here, both in the affordable category.

Lenses, Test Reports
Peter K. Burian Aug 01, 2000 0 comments

Although most photographers tend to discus the big, fast, pro lenses, the vast majority actually sold are affordable zooms. Sigma makes both types, including their latest APO models like the AF 800mm f/5.6EX with Hypersonic autofocus and the modestly...

Lenses, Test Reports
Peter K. Burian Aug 01, 1999 0 comments

As a manufacturer of a wide range of lenses from 8-800mm, Sigma's line also includes true macro lenses for extreme close-up photography. Both of the current models will produce a full life-size rendition of the subject without accessories: the AF...

Lenses, Test Reports
Peter K. Burian May 01, 1999 0 comments

Until recently, most photographers considered a 19mm or 20mm focal length as the ultimate in ultra-wide, but this is rapidly changing. Thanks to the new technologies for making more affordable aspherical elements, much shorter lenses are becoming readily...

Lenses, Test Reports
Peter K. Burian May 01, 2000 0 comments

Sigma AF 70-300mm & APO Macro Super

Sigma's two most successful zooms--70-300mm models with extreme close focusing ability--were recently upgraded and labeled with the "Super" designation. Both...

Lenses, Test Reports
Peter K. Burian Jan 01, 1998 0 comments

Although many of Sigma's new lenses incorporate the latest technology and/or premium grade optics, this manufacturer continues to compete aggressively in the market for affordable zoom lenses. In addition to its APO, Aspherical, and HSM series, Sigma...

Lenses, Test Reports
Peter K. Burian Aug 01, 2002 0 comments

Ask any group of professional sports or wildlife photographers to name their favorite lens, and most will mention a "fast" 500mm f/4 model with internal focusing and low dispersion glass elements. Ideal in many respects, such lenses offer several advantages.

Lenses, Test Reports
Peter K. Burian Jun 01, 2001 0 comments

Although 50-105mm focal length macro lenses are by far the most popular, many advanced nature photographers prefer longer lenses. Consequently, many camera manufacturers make a premium grade 180mm or 200mm macro lens. Now Sigma offers one, too...

Peter K. Burian Apr 01, 2004 1 comments

Best known for its vast line of lenses with sophisticated technology, Sigma also manufactures 35mm and digital SLR cameras. Their latest digital SLR, the SD10, is an improved version of the earlier SD9 employing an enhanced Foveon X3 sensor detailed in the...

George Schaub Mar 01, 2003 0 comments

Sigma SD9

The long-awaited Sigma SD9 Digital SLR arrived in our offices and although we had a brief hands-on shoot with it during photokina last September this was our first opportunity to put it through its paces. First off, the...

Lenses, Test Reports
Peter K. Burian Apr 01, 2002 0 comments

The Sigma engineers never seem to take a break, coming up with new lenses with surprising frequency. Late last year, they released two short zooms that certainly attracted a lot of attention. Their AF 15-30mm f/3.5-4.5 EX DG Aspherical boasts the...

Lenses, Test Reports
Jay Abend Feb 01, 2004 0 comments

Long, fast, good lenses are expensive. They're also worth it. Whether you shoot sports, live performances, wildlife, people, or just need to reach out into the distance for that perfect shot, a really good telephoto lens is a must.

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Lenses, Test Reports
Peter K. Burian Nov 01, 2004 0 comments

All Photos © 2004 Peter K. Burian, All Rights Reserved

Until recently, only Canon and Nikon offered interchangeable lenses with a camera shake compensating system called Image Stabilizer (IS) and Vibration Reduction (VR), respectively (see the discussion on IS and VR lens technology in our August 2004 issue, or on our website at: www.shutterbug.com).

George Schaub Mar 22, 2005 Published: Apr 01, 2005 0 comments

Photos © 2004, George Schaub, All Rights Reserved

If you enjoy exploring the fascinating world of close-up photography you should consider a ring flash as an essential part of your creative kit. A ring flash mounts around your taking lens and eliminates problems associated with standard shoe-mount flash and even off-camera flash, mainly the inability to down-angle the...

Peter K. Burian Apr 01, 2005 0 comments

All Photos © 2004, Peter K. Burian, All Rights Reserved

The Adobe Photoshop series is the most popular among image-editing programs, and this software includes a vast range of image-enhancing features. While some of the available tools are quite easy to use, advanced image-correction techniques require sophisticated and time-consuming multi-step processes. These are...