Sony SEL20TC

2x reach with top optics and operation A 2x teleconverter that maintains full G Master performance. Double your focal length Full optical quality and operability are retained, offering outstanding performance for sports and wildlife photography in a compact, lightweight kit. Multiplies focal length by 2x with only a 2-stop light loss. Compatible lenses The SEL20TC teleconverter is currently compatible with the SEL70200GM lens only. Lens Configuration Impressive optical performance for Sony cameras, precision engineered for versatility and reliability in a wide range of applications.