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 ...
Last year I purchased a Moment wide-angle lens and photo case for my iPhone X. The Moment lens is extremely well constructed of high quality materials and has performed well over the past year. In ...
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 ...
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