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Sony previews supertelephoto, other SLR lenses

LAS VEGAS--Sony showed off models of a forthcoming supertelephoto and five other lenses Monday at the Photo Marketing Association trade show, a new sign the electronics giant is holding tight to its ambition to be a major player in the digital SLR market

"Sony is passionate in proving better lens development," said Shigeki Ishizuka, president of Sony's digital imaging business group, at a news conference held here in conjunction with PMA. He said Sony now ranks third in the SLR market. … Read more

Pentax K20D dSLR goes south of $800

With PMA 2009 coming next week, there's a chance Pentax may announce a new follow-up to last year's 14.6-megapixel CMOS flagship K20D. At the very least the company's getting a little preshow coverage thanks to a $200 price cut.

Starting immediately, the Pentax K20D body only is $799.95. Paired with the DA 18-55mm II lens it's $879.95 or with the DA 16-45mm lens it's $1199.95.

We liked the K20D overall in spite of some color accuracy issues. It was a good-bang-for-your-buck camera at its original price, so this price drop only … Read more

Sensor quality: SLRs erode medium-format lead

It looks like Canon and Nikon weren't blowing smoke when they said their high-end SLRs cameras will compete with medium-format digital cameras used almost exclusively by professionals.

Given the image quality advantages that SLRs with larger "full-frame" sensors have over mainstream and much less expensive models with smaller processors, one might have expected another quantum leap from costly high-end medium-format digital cameras with sensors twice the area of top-end SLRs. Not so, according to new DxOMark Sensor test results set for release Tuesday by French test and measurement firm DxO Labs.

The company tested image sensors from several medium-format cameras--the Mamiya ZD Back, Leaf Aptus 75S, Hasselblad H3DII 39, and Phase One P45+. These are the sorts of cameras used by fashion photographers and others who need lush tones, fine detail, and lots of megapixels to handle big photos such as magazine spreads.

But none outperformed the Nikon D3X SLR, whose score of 88 gives it the current top rank on DxO's sensor tests. … Read more

Adobe tests support for Nikon's top-end D3X

Adobe Systems on Friday issued near-final release candidate versions of Lightroom 2.3 and the Camera Raw 5.3 Photoshop plug-in, software that can support Nikon's new top-end, $8,000, 24.5-megapixel D3X camera and Olympus' mid-range, $1,299, 12.3-megapixel E-30.

According to the release notes, the new Lightroom version also fixes a few bugs: a memory leak that could crash the software while people were making local editing adjustments to photos, a processing error handling smaller sRAW photos from the Canon 5D Mark II, a slideshow glitch, and problems uploading and burning files to discs.

Lightroom is designed for editing, labeling, and cataloging photos--in particular, the flexible but non-standard raw files from higher-end cameras. Adobe Camera Raw is used to handle raw files in the more general-purpose Photoshop software, letting people convert them into JPEG, TIF, or other more portable formats. … Read more

New firmware for Canon 40D and Nikon D3, D700

The top two SLR makers have released relatively minor firmware revisions for three cameras, Nikon's higher-end full-frame D3 and D700 and Canon's prosumer-grade EOS 40D.

The fixes generally address rare and unusual problems. One notable fix for the D3 and D700 is for a problem which, as Nikon describes it, "in extremely rare cases, resulted in noticeable black dots in images captured with Long exp. NR (long exposure noise reduction) in the shooting menu set to On." Canon fixed a black-dot issue of its own with the EOS 5D Mark II earlier this month, but Nikon's issue sounds rarer.

Forthwith, the release notes: … Read more

Nikon's new SLR leads the pack for sensor quality

It's not a surprise that the Nikon D3X, the company's brand-new $8,000, 24.5-megapixel SLR, tops DxO Labs' sensor performance test. What is a surprise is the margin by which it leads its rivals from Canon and Sony.

When the French firm unveiled its DxOMark Sensor benchmark test last year, Nikon's D3 was the top scorer at 80.6, a composite number that represents various performance features. Very close on its heels were Nikon's D700 at 80.5, Canon's EOS-1Ds Mark III 80.3, and later Canon's 5D Mark II at 79 and Sony's Alpha A900 at 78.9.

All those cameras were close, but the D3X stands apart with a score of 88. The result shows how much ground Nikon has made up on Canon, which has dominated high-end digital SLR technology. … Read more