Sony SEL20TC 2x Teleconverter Lens for SEL70200GM Bluetooth A constant F4 aperture across

A constant F4 aperture across the entire 70–200mm range means you can zoom and reframe as necessary without having to think about changing exposure settings

3 Aspherical and 2 ED glass (extra low dispersion) that minimize chromatic aberration and effectively control distortion

It's immersive sound with a more accurate sweet spot

Dust and moisture resistant

Sony SEL20TC 2x Teleconverter Lens for SEL70200GM Bluetooth A constant F4 aperture acrossExtends focal length of lens by 2. 0x Increase focal length without degrading resolution A handy tool for minimizing gear Compatible with a range of lenses Compact alternative to bulky additional lenses Double your focal length Multiplies the focal length of the lens used by 2x without degrading optical performance, AF speed and precision, or operability. Light loss with the teleconverter is approximately 2 stops. An ideal way to extend available