As a 1.4x teleconverter, the focal length of the attached lens is magnified by a factor of 1.4x, with a 1 f/stop reduction in aperture rating, so a 70-200mm f/2.8 zoom effectively becomes roughly a ...
Most teleconverters have an element that protrudes making them incompatible with many 'cheap' lenses. Here's ...
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 ...
Photo Review Tech Editor Margaret Brown looks into the benefits and consequences of using focal length extenders. Teleconverters are popular with birders because they provide an affordable ““ and ...
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Judging from the technical questions we get from readers, there is a lot of misinformation about teleconverters floating around the internet (no surprise). Here are some answers to those questions… ...
The Canon RF 70-200mm f2.8L IS USM is small, sharp, and steady. It’s almost perfect, but the incompatibility with teleconverters will put off some photographers. Why you can trust Space.com Our expert ...