Sony FE 28-70mm f/3.5-5.6  type_Instant Colour light oil on diaphragm which

light oil on diaphragm which does not affect function

A beautiful camera in great shape

Leitz GGr (green) filter for many Summilux lenses and others with a 39mm filter thread

but no one's claiming responsibility: the only identification is a model number (M203

This Soviet era 50mm f3

Sony FE 28-70mm f/3.5-5.6 &nbsptype_Instant Colour light oil on diaphragm whichSony FE 28 70mm f 3. 5 5. 6 lens for Sony E mount cameras. This is a compact, lightweight full frame lens with a versatile zoom range. Optical SteadyShot stabilization enables handheld use in a wider range of lighting conditions. Excellent cosmetic condition with only minor surface wear. Great functionality, and clean glass.