Home > News > Pentax announces D FA 645 55mm F2.8 lens
March 10th, 2010
Pentax announces D FA 645 55mm F2.8 lens
Abstract:
Born as the fruit of PENTAX's advanced nanotechnology, this exclusive coating effectively reduces lens reflectance and greatly increases light transmittance by forming a silica aerogel layer with uniform pores on the surface of optical element.
Source:
dpreview.com
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