Nikon AF-S Teleconverter TC-17E II

The Nikon AF-S Teleconverter TC-17E II is an optical accessory that mounts between a camera body and compatible NIKKOR lenses to provide 1.7× magnification, extending the effective focal length of telephoto lenses. It is designed to maintain autofocus performance with select lenses while offering increased reach for distant subjects. Built with precision optics and solid construction, it provides photographers a way to expand the versatility of their telephoto lenses without carrying larger optics.