Peter K. Burian

Boasting incredibly high resolution for a 35mm-size D-SLR, the A900 features a full-frame sensor and some unique technology. Sony developed an Exmor 24x36mm CMOS chip for this camera; it’s packed with 24.6 million effective pixels but they’re quite large (5.9 microns vs. 5.5 microns with the A700) thanks to the oversized sensor and improved design. As a bonus, analog-to-digital...

Best known for selling over a million of the various versions of their 28-200mm zoom, Tamron makes a broad variety of lenses. In zooms, these range from highly affordable models to those intended to satisfy the professional photographer. Most...

Although compact digicams with built-in lenses remain hot sellers, many photo enthusiasts prefer SLR cameras that accept a full line of lenses from ultra-wide to super telephoto. The majority of new models shown at photokina were digital of course, but two new 35mm SLRs were also introduced, including one that came as quite a surprise. Nikon's new professional F6 left some...

Whether you own a 35mm or digital SLR camera, a dedicated external flash unit can be a valuable accessory. Offering higher power output, and often extra features such as a bounce/tilt head, the optional units can help to produce more sophisticated flash lighting effects. Even if you already own a flash unit that's compatible with your camera, it may not support all of the...