teleconverter

[ tel-i-kuhn-vur-ter ]

noun

, Photography.

1. converter8

Word History and Origins

Origin of teleconverter¹

First recorded in 1965–70; tele- ¹ + converter

Example Sentences

Photographer’s description: “Salmon swimming upstream to spawn and then die. There were many salmon fighting their way upstream and dead salmon on river banks. Photo taken from river bank with Sony a9 II and 200-600 mm lens and 2x teleconverter so not to hinder the salmon in its struggle upstream.”

From Seattle Times

Photographer’s description: “Harriette and Hemley, watching out for Mom, had their bases covered. I noticed these two fledgling Great Blue Herons most efficiently scanning the sky for their parents. Used my Olympus M1X, 300 mm lens with 1.4x teleconverter, ISO 1250, f/5.6, 1/2500.”

From Seattle Times

To that end, he attached a 70-200mm telephoto lens mounted on a 1.4x teleconverter for a max equivalent focal distance of about 3,000mm.

From The Verge

It's a super-telephoto lens with a built-in 1.4x teleconverter, meaning that you can extend the focal length to 252-560mm, though you'll lose a stop of light and aperture in the process.

From The Verge

The company will also release its first teleconverter for the system in 2015.

From The Verge