Canon RF 1.4x Extender

The 1.4x multiplication is exactly what I needed for wildlife shots, and the fact that metering and autofocus still work perfectly through it makes a huge difference in the field. I haven't noticed any drop in image quality that matters to me, and the build feels solid when attached between lens and

The autofocus stayed snappy even with the 1.4x on my 100-500mm, and the image stabilization never missed a beat. Setup took two seconds, and I couldn't tell a difference in sharpness on my last birding trip. Exactly what I needed for that extra reach.

Mounting it on my 70-200mm kept the autofocus snappy and sharp, even in low evening light. That full communication with the camera body makes a real difference when you're tracking moving subjects.