The lens on this camera is a Olympus F Zuiko Auto S 1:1.8 F = 38mm.
The lens is in a good condition and the shutter works. Like many Pen FT’s you need to move the film-advance lever 1 time and a bit small extra to cock the shutter.
Lightmeter was tested with a Weincell 625 battery and still reacts. An analog half frame Olympus-pen that is still sought-after.