Yes, the lens features specialized seals at the mount and internal joints to protect against dust and moisture splashes during outdoor professional use.
No, the lens does not have internal Optical SteadyShot (OSS). It relies on the In-Body Image Stabilization (IBIS) found in most Sony Alpha camera bodies.
The OLED display on the lens barrel shows the current focus distance and the depth of field range, which is highly accurate for low-light or tripod-based shooting.
Yes, it is fully compatible with Sony APS-C cameras, providing an equivalent focal length of 37.5mm, which is excellent for street photography.