When used with a 77mm diameter wide-angle zoom lens, the lens corrects image aberration and distortion*. The lens helps reproduce clear images when mounted on a compatible lens for interchangeable lens cameras (full-frame SLR cameras).
* Field curvature and distortion are rectified by approximately 2 f-stops value.
|Lens Construction||1 elements in 1 groups|
|Dimensions||85 x 8.4mm / 3.3 x 0.3 inches|
|Weight||48g / 1.7oz|
|Materials||Optical glass (AR-multi-coated on the both sides) and corrosion-resistant aluminum alloy.|