Sirius's wide-angle for Fujica AX — a budget 28mm f/2.8 from an obscure brand.
The Sirius 28mm f/2.8 is a budget wide-angle prime for Fujica AX mount from the obscure Sirius brand. Sirius produced affordable third-party lenses during the film era. At 28mm f/2.8, it provides a basic wide-angle perspective. The Fujica AX mount severely limits compatibility.
Optical performance is basic. Sirius lenses are budget alternatives. Sharpness is acceptable when stopped down. The f/2.8 at 28mm is a standard specification for the era. Build quality is basic. Adequate for casual wide-angle on Fujica AX bodies. Not a lens with any distinguishing quality.
Fujica AX mount. Filter thread varies. Weight varies. Build quality is basic. Manual focus. The Fujica AX mount limits compatibility to Fujica X-series cameras. The obscure Sirius brand has no collector or practical premium.
Very cheap. Not recommended for purchase. Only for Fujica AX owners. Fujinon 28mm lenses are dramatically better in the same mount. No collector or practical value.