Just like with any 2x teleconverter, the focal length of the attached lens is doubled, with a consequent aperture reduction of two f/stops. As such, a 70-200mm f/2.8 zoom effectively becomes roughly a ...

Photographer Vincent Laforet has been having some fun this week, testing out a new 2X Canon lens converter for the Red Epic camera, choosing a 600mm Canon lens to effectively double focal length to ...

Intro 2020 announces details and availability of the new Kenko TELEPLUS HD pro series of teleconverters. The TELEPLUS HD pro series replaces the previous TELEPLUS PRO300 series, with redesigned optics ...