High Quality, Longer Reach. The Sony FE 1.4x provides 40% more reach with only one stop of light loss. Advanced optics help retain the attached lens’s original quality while fully supporting autofocus, exposure-metering, and image-stabilization capabilities.

All-Weather Gear. This teleconverter is designed to match Sony’s pro telephoto lens’s build. Its durable construction reduces the chances of dust, water, or even the cold from affecting performance.

Please note: This teleconverter is only compatible with the Sony FE 70-200mm f/2.8 GM OSS, Sony FE 70-200mm f/2.8 GM OSS II, FE 100-400mm f/4.5-5.6 GM OSS, FE 200-600mm f/5.6-6.3 G OSS, FE 300mm f/2.8 GM OSS, FE 400mm f/2.8 GM OSS, and FE 600mm f/4 GM OSS.