Teleconverter by Darin McQuoid | Mar 18, 2010 | JK Team Posts, Whitewater | 0 comments Tamron 1.4 AF SP Teleconverter compared to Nikkor 50mm 1.8 AF-D Teleconverters are a small, light adapters used to extend the focal length of a lens. A teleconverter simply magnifies the center of the image circle on a lens, thus extending its respective range. The most common ranges are 1.4x and 2x teleconverters. Read the original post: Teleconverter Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ