Peter K. Burian

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

Until recently, most photographers considered a 19mm or 20mm focal length as the ultimate in ultra-wide, but this is rapidly changing. Thanks to the new technologies for making more affordable aspherical elements, much shorter lenses are becoming readily...

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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

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: 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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