Just after Canon announced second-generation 300mm and 400mm telephoto lenses for its SLRs, the Japanese camera maker also said Friday that it will show prototypes of revamped supertelephoto lenses with 500mm and 600mm focal lengths.
The two prototypes, officially called the EF500mm f/4L IS II USM and EF600mm f/4L IS II USM, are second-generation successors to the current products introduced in July and September 1999, respectively. They'll be on display at the Photokina show in Cologne, Germany, later in September, at which the spotlight shines brightly on high-end gear.
Canon was characteristically reserved about the prototypes, saying release dates and specifications haven't been decided, but the company appears to be applying the similar revisions that it brought to the 300mm and 400mm lenses: better image stabilization, better image quality, and lighter weight.
"The EF 500mm f/4L IS II USM and EF 600mm f/4L IS II USM are being developed as L (Luxury)-series lenses equipped with a high-performance image stabilization system," Canon said. "Employing fluorite and other special optical materials to correct for a variety of aberrations, the lenses aim to realize high-resolution, high-contrast imaging performance in a lighter-weight body design." … Read more