In April, Sigma announced the development of the four prime lenses alongside the 18-50mm F/2.8 DC DN and the 10-18mm F/2.8 DC DN zooms. The 18-50mm F/2.8 DC DN was released in June while the 10-18mm F ...
Autofocus on the Sony version is decent but not as fast as the FE 135mm F/1.8 GM. The Viltrox AF 135mm F/1.8 LAB uses a HyperVCM motor which delivers quiet and accurate autofocus performance with ...
NASA awarded SwRI a $60 million contract to develop, build and test three Space Weather Solar Coronagraphs for NOAA. The novel SwSCOR instrument has a three-stage lens system mounted behind a ...