Close focusing (CF) with a minimum working distance of 5.5 inches for a maximum magnification of 1:3.3
Distagon optical concept for improved sharpness and reduced field curvature
Two aspherical elements, three anomalous partial dispersion glass elements, and one aspherical element for reduced aberrations and increased clarity and sharpness
ZEISS T* anti-reflective coating for reduced flares and ghosting and deeper contrast