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As such, it is appropriate for use as a portrait lens.
Portrait lenses thus produce a less defined, slightly unfocused image.
He first used portrait lenses with apertures varying from to 8 inches.
They use special portrait lenses and other devices to eliminate some of the descriptive detail in their pictures.
In 1840, he designed his famous portrait lens.
Portrait lenses are often relatively inexpensive, because they can be built simply, and are close to the normal range.
Portrait lenses, which a few 35-millimeter camera makers provide, are designed with certain optical aberrations built in.
It is one of the classic soft-focus "portrait lenses".
And a useful review of portrait lenses.
For more formal portraits, however, he used an 85mm portrait lens and Kodachrome film.
Among his inventions are the Petzval portrait lens and opera glasses, both still in common use today.
Canon calls it their "definitive portraiture lens", and it is often considered to be one of the best portrait lenses ever made.
The Petzval Portrait was the dominant portrait lens for nearly a century.
The cheapest portrait lenses are normal lenses (50mm), used on a cropped sensor.
The trouble with most diffusion filters, and with portrait lenses when they're not used with skill, is that their presence is too obvious.
From the invention of photography in the 19th century, images have been captured using standard optical telescopes including telescope objectives adapted as early portrait lenses.
(The primary exceptions are deliberately "soft-focus" portrait lenses.)
Ms. Millar, who works with a 105-millimeter portrait lens, which produces a clear face and a blurry background, works only outdoors in natural light.
For most of his time in Newark he used a 6 1/2" x 8 1/2" view camera with a 13" Hobson portrait lens.
The first dedicated portrait lens was the Petzval lens developed in 1840 by Joseph Petzval.
Polar 85mm Portrait Lens f1.4 Aspherical IF (2008)
The 28 is a wide-angle lens, which makes nearby objects seem slightly farther away, giving a broader field of view; the 60 is what professionals call a portrait lens.
It is for this reason that, for a 35 mm camera, lenses with focal lengths from about 85 through 135 mm are generally considered to be good portrait lenses.
Vivitar 85MM-N 85mm 1.4 Portrait Lens For Nikon.
Tokina 60-120mm f2.8 AT-X (portrait lens, 55mm filter)