Fits All Sony E-Mount Mirrorless Cameras. T-Minus takes it s name from that fact that it is shorter than the T standard. T-Minus adapters are over an inch shorter than T-Ring solutions, for reflector owners this means you can likely reach true prime focus for the first time.

UltraWide Adapter Increases the clear aperture from 1.5 to 1.85 compared to a typical T-Ring.

48mm Thread and 2 outside diameter barrel.