Wide apertures :
Lenses with maximum apertures in the f/1.4-2.8 range allow greater depth of field control. The lenses feel nice and strong in your hands. Accord Equips Rental Mumbai find value in sturdy equipment like the Sigma Art lenses.
This Japanese word refers to the quality of the out-of-focus areas of the image. A lens is said to have beautiful bokeh when it captures images with smooth, natural looking transitions from the sharpest to the softest areas of the image, and maintains the accurate shape of the out of focus object.
Sharpness plus “roundedness”
While fine art photographers occasionally use soft focus lenses, and optical filters, crisp imaging and high resolution are essential. it’s a mistake to equate un-sharpness with “art.” The lenses favored by art photographers also have a“natural” (non plastic) look or “roundedness” in the way they render subjects, especially people.
Top Art lenses
Sourced from Adorama: http://www.adorama.com/alc/8241/article/12-great-lenses-fine-art-photography