81 Sony FE 50mm f1.2 GM Lens
The Sony FE 50mm f/1.2 GM is the undisputed "King of 50mms" in the Sony ecosystem. While the version you looked at is clinically perfect and portable, the is a "statement" lens designed for those who want the absolute maximum in light-gathering ability and subject isolation.
| Feature | Specification |
| Aperture | $f/1.2$ to $f/16$ (Massive light intake) |
| Autofocus | 4 XD Linear Motors (Faster than the $f/1.4$ to move heavier glass) |
| Diaphragm | 11-blade rounded (For perfectly circular bokeh) |
| Min. Focus | 0.40m (15.7 inches) |
| Weight | 778g (Substantially heavier than the $f/1.4$ GM) |
| Filter Size | 72mm |
| Construction | Magnesium alloy & High-grade polycarbonate (Weather-sealed) |
83 Sony FE 50mm f1.4 GM Lens
The Sony FE 50mm f/1.4 GM is the modern "sweet spot" of the Sony G Master lineup. Released as a more compact, technically refined alternative to the massive f/1.2 GM, it has quickly become the preferred 50mm for professionals who prioritize a balance between elite image quality and portability.
| Feature | Specification |
| Aperture | $f/1.4$ to $f/16$ (11-blade rounded diaphragm) |
| Autofocus | 2 XD Linear Motors (Quiet, high-speed tracking) |
| Optics | 14 Elements in 11 Groups (including 2 XA and 1 ED elements) |
| Minimum Focus | 0.41m (AF) / 0.38m (MF) |
| Weight | 516g (Approx. 33% lighter than the f/1.2 version) |
| Filter Size | 67mm (Standardized with 24mm & 35mm GM) |
| Controls | De-clickable aperture ring, Iris lock, 2 Focus hold buttons |