Peter K. Burian

When Sony first unveiled their Alpha D-SLR system in June 2006, the company made a pledge to expand its line of lenses with additional Sony G models as well as some Carl Zeiss lenses. The first three of these products, with a ZA designator indicating Zeiss Alpha, are available at this time, distributed exclusively by Sony. A fourth model, a wide aperture (f/2.8) zoom, should be...

Now that most enthusiast-level cameras are boasting resolution of at least 8 megapixels, memory card speed and storage capacity have become particularly important. When shooting in raw capture or ultrahigh JPEG size/quality, there's definitely a benefit to using the fastest/largest memory card. The extra speed is also ideal after a long trip, when uploading hundreds (or...

Although most of the new products shown at PMA 2007 were digital, at least some of the new lenses are just as useful for anyone still shooting with a 35mm SLR system. While some of the new zooms were designed exclusively for use with D-SLRs with the APS-size sensor, the multi-platform lenses work perfectly with both analog and digital cameras. That's because they project...

Technical Specifications
Sensor: 17.3x13mm (Four Thirds format) Live MOS; 7.4 megapixels effective
Maximum Resolution: 3136x2352 pixels
Image Formats: 4:3 aspect ratio; also, in Live View, 3:2 and 16:9 selectable (lower resolution)
Lens Mount: Four Thirds mount; 2x focal length...