For those who look to the distancebirders, nature and wildlife photographers, aircraft, sports and action photographersa teleconverter can be the difference between a hit and a miss. And the difference between a long, heavy rig and a shorter, nimble one. Optimized for the compact mirrorless Z system, the Z TELECONVERTER TC-1.4x increases the reach of compatible lenses by 1.4x (40%) while retaining 100% resolution, AF and VR functionality, minimum focusing distances and weather-sealing.