Peter K. Burian

DSLR ReviewsNews
Canon’s EOS Digital Rebel XTi; A Lightweight D-SLR With Heavyweight Performance And High-Resolution Image Quality
Peter K. Burian  |  Feb 01, 2007

Since the original 6-megapixel Digital Rebel became available in September 2003, this EOS series has been the best selling D-SLR line in the world. The second model, the 8-megapixel Rebel XT, introduced in February 2005, benefited from major improvements in image quality, speed, versatility, and convenience of operation. While the XT is still a fine camera, it was due for an...

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Lens News
photokina Special Coverage; New Lenses For 35mm And Digital SLR Cameras: The D-SLR Lens Ship Comes In
Peter K. Burian  |  Jan 01, 2007

With the incredible popularity of D-SLR cameras, all manufacturers are working aggressively to expand their line of suitable lenses and we found many new models at the photokina show. As expected, most of the new products are "digital only"--designed exclusively for digital cameras with APS or Four Thirds size sensor--some are multi-platform lenses. The...

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DSLR NewsNews
photokina Special Coverage; Digital SLR Cameras
Peter K. Burian  |  Jan 01, 2007

The digital SLR category continues to grow. Several manufacturers introduced new models during the photokina show; Canon, Panasonic, and Sony had unveiled their new entries sometime before the European trade show, so they are not included in this report. In any event, it's clear that the 10-megapixel or higher resolution category is becoming the norm in all types of...

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photokina Special Coverage; Digicams: Integral Lens Digital Cameras—Anti-Shake, Higher Megapixel Counts, And Face Detection, Too
Peter K. Burian  |  Jan 01, 2007

During the photokina 2006 show, many new digicams were introduced with higher resolution: 10-megapixel sensors are now typical in the upscale models while 7-megapixel sensors are becoming the norm in many other categories. In terms of features, larger LCD monitors, at least 2.5" in size, have become standard; touch-screen LCDs (discussed later) have been introduced and...

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Lens NewsLens Reviews
A Trio Of Tamron Zooms; SP AF17-50mm F/2.8 XR Di II LD Aspherical [IF], AF28-200mm F/3.8-5.6 XR Di Aspherical [IF] Macro, And AF70-300mm F/4-5.6 Di LD Macro 1:2
Peter K. Burian  |  Dec 01, 2006

Because of the increasing popularity of digital SLR cameras, Tamron has been upgrading their line of lenses to the "Digitally integrated" (Di) standard, employing methods discussed in our Technology sidebar. Some of the new products (Di II series) were designed exclusively for digital cameras with the typical APS-size sensor, while others (Di) are multi-platform...

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DSLR NewsDSLR ReviewsNews
Sony’s Alpha A100; A Fast 10-Megapixel Digital SLR
Peter K. Burian  |  Nov 01, 2006

The first 10-megapixel entry-level digital SLR to reach the market, the Sony Alpha A100 raises the resolution bar in the sub-$900 category. While that makes the camera particularly newsworthy, it's interesting in several other respects. This model is a hybrid, combining the best of the Konica Minolta Maxxum 5D with entirely new Sony technology and features. As discussed in...

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Lens NewsLens Reviews
Sigma’s APO 70-200mm f/2.8 EX DG Macro HSM; Pro-Caliber Zoom With Close-Focusing Ability
Peter K. Burian  |  Nov 01, 2006

One of the favorite lenses among news photographers, a 70-200mm f/2.8 or 80-200mm f/2.8 zoom also appeals to many serious photo enthusiasts. Although large and heavy, lenses of this type offer several benefits. Their very wide maximum aperture allows for faster shutter speeds than the more typical f/4.5-5.6 zooms, great for low-light or action photography at lower ISOs (film or...

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Sony’s Alpha A100
Peter K. Burian  |  Nov 01, 2006

Technical Specifications

Image Sensor: 23.6x15.8mm CCD with RGB filter array and low-pass filter; 10.2 million recording pixels; 1.5x field of view crop
Recording Options: Various JPEG options, raw (SRF format), and raw+JPEG formats
Sensitivity: ISO 100-1600; also, ISO 80 Low Key and ISO 200...

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Six New Digicams With Image Stabilizer; How Effective Are The Latest Camera-Shake Compensating Systems?
Peter K. Burian  |  Sep 01, 2006

Digital cameras with built-in shake compensating devices have been available for at least three years, but this feature is definitely increasing in popularity. At one time, an Image Stabilizer was considered to be necessary only with long telephoto lenses, but it's quickly making its way down the ranks. Today, you can find cameras with short 3x optical zooms that are...

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Roundup: Image Data Transfer; Fast Memory Card Readers, And More
Peter K. Burian  |  Sep 01, 2006

Owners of high-resolution digital cameras can definitely benefit from high-speed memory cards, as discussed in our review of the latest products (April 2006 issue of Shutterbug). But in camera speed is only one of the important aspects for anyone who shoots numerous images. Data transfer to a computer is also a significant factor and the right accessory can provide lightning-fast...

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