The Nikon Z Teleconverter TC-2.0x aims to make amends. Traditionally, teleconverters have earned a dubious reputation for spoiling the image quality of lenses that they’re coupled with. That’s not ...

Were you hoping that Canon would make black teleconverters, to match its new black 70-200mm f/2.8? Sorry, you're out of luck ...

(From company literature) The Nikon TC-20E II 2X Teleconverter is designed for AF-S and AF-I Nikkor lenses. It increases the original focal length by 100%, and reduces lens aperture by two f-stops.