Peter K. Burian

Because of the increasing resolution and burst speed of some new cameras, the capacity and speed of memory cards continues to increase. While a super-fast card cannot boost a camera’s maximum framing rate, the extra card speed can provide greater burst depth (more frames in a long series) and shorter data recording times. A high-speed card is also ideal after a long trip, when you’re...

As the price of D-SLRs and high-resolution digicams drops to more affordable levels, an increasing number of families and serious photo enthusiasts want a better photo printer. We found lots of new machines at the photokina show, some with high-tech features such as Wi-Fi and Ethernet compatibility. Lack of space precludes coverage of every new product, but the following printers are worth...

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.

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...