This teleconverter multiplies the focal length of the lens used by 1.4x without degrading optical performance, AF speed and precision, or operability. Light loss with the teleconverter is approximately 1 stop. An ideal way to extend available focal length range for sports or wildlife photography without having to carry additional large, heavy lenses.
1.4x reach with top optics and operation
A 1.4x teleconverter that maintains full G Master performance.
Extend your range by 1.4x
Full optical quality and operability are retained, offering outstanding performance for sports of wildlife photography in a compact, lightweight kit.

Lens Configuration
Impressive optical performance for Sony cameras, precision engineered for versatility and reliability in a wide range of applications.