Peter K. Burian

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Peter K. Burian Posted: Mar 01, 1999 0 comments

Aside from the intricacies of exposure and light metering, photo enthusiasts generally find depth of field the most difficult concept to master. That's understandable particularly since this is a hypothetical factor based on subjective judgment.

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Peter K. Burian Posted: Jan 01, 1998 0 comments

Although many of Sigma's new lenses incorporate the latest technology and/or premium grade optics, this manufacturer continues to compete aggressively in the market for affordable zoom lenses. In addition to its APO, Aspherical, and HSM series, Sigma...

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Peter K. Burian Posted: Jan 01, 1998 0 comments

Is there a serious photo enthusiast out there who doesn't harbor a desire to see his or her work published? Well, the vast majority I know would love to market their images to books, magazines, and advertising agencies. In fact, the most commonly...

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Peter K. Burian Posted: May 24, 2005 0 comments

The HP Photosmart 7960 was the first eight-color printer on the market and it's
still the only sub $250 machine that can make "archival" prints
with a 73 year lightfast rating. In spite of the moderate price, it includes
some advanced technology plus valuable extras for direct printing without turning
on a computer.

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Peter K. Burian Posted: Jun 07, 2005 0 comments

Until recently, few digital camera owners were able to make true wide angle
images because a 38mm focal length was the shortest available in built-in zooms.
(All focal lengths are discussed in 35mm format equivalent.) Today, an increasing
number of digicams include zooms that start at 28mm or even 24mm. Many of the
high-end cameras also accept 0.7x adapters, ideal for ultra wide angle photography.
And SLR system lens manufacturers have also started making incredibly short
zooms, such as 12-24mm, for a very wide angle of view. All of this is great
news for creative shooters who want to expand their visual horizons.


Most camera owners think of a wide angle lens as something that's
useful for including an entire landscape vista, street scene,
or a large group of people, in a single image. While that is one
valid reason for owning a wide angle lens, or a wide angle adapter
accessory, there are many others as discussed in the text. (28mm
equivalent.) Photo © 2005 Peter K. Burian.

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Peter K. Burian Posted: Apr 26, 2005 0 comments

Several new dye sub printers have been recently announced. These printers employ
thermal transfer technology--they apply heat to a special ink ribbon to produce
colored gas that forms an image on special media. All provide approximately
300dpi resolution, plenty for continuous tone output.



High Speed Pro Printers

Kodak recently introduced two new roll-fed thermal transfer 300dpi Professional
models (with automatic cutters) that generate high quality output for use as
proofs or for immediate sale. Both employ Ektatherm media said to produce prints
that will "last a lifetime". An archival rating has not yet been
published. (They require a computer running Windows 2000 or XP; Mac support
is not available at this time.) The Professional 6850 Digital Photo Printer
is lightning fast. It can deliver 6x8-inch glossies in 15 seconds or 4x6's
in a mere 4 seconds -- hundreds of such photos in a series (without operator
intervention) when high volume is required. (List price $2900; cost per print
not stated; available in August 2005.)

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Peter K. Burian Posted: Jun 21, 2005 0 comments

In
certain lighting conditions, images can exhibit a strong
overall "color cast" or tint, as in this
image, made near sunset on a hazy day with a high air
pollution level. (Auto white balance.)

Photos © 2003, Peter K. Burian, All Rights Reserved

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Peter K. Burian Posted: May 10, 2005 0 comments

Until recently, Lexmark printers were primarily multi-purpose or industrial
machines but their latest models are dedicated to photo printing. Based on a
three year R&D effort, the P915 Home Photo Printer and P6250 Photo Center
boast some impressive features. These include high resolution, a full slate
of direct printing amenities, software for automatic print enhancement plus
new archival inks for print permanence. The two printers are identical in most
respects but the P6250 Photo Center is larger because it includes a significant
extra, a built-in flatbed scanner.


Lexmark P6250



Lexmark P915

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Peter K. Burian Posted: May 24, 2005 0 comments

As recently as 18 months ago, a built-in image stabilizer was a rarity in digital
cameras. It was available only in a couple of Panasonic models and one Konica
Minolta DiMAGE camera. Today, an increasing number of digicams -- from four
manufacturers -- employ some form of camera shake compensating device. And there's
even a digital SLR with a built-in Anti-Shake mechanism, the Maxxum 7D. We expect
this trend to continue with other manufacturers jumping on the bandwagon. "Sounds
great if you're into high-tech gizmos," you may be thinking, "but
is this feature really necessary?"

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