Olympus Zuiko Digital 9-18mm f4-5.6 lens mount_Contax RF 8 lens is clean and

8 lens is clean and working well

and can be used with most F-mount lenses from the earliest pre-AI to newer AF-D with varying levels of metering and focusing function

Do not buy this for a Nikon F mount camera because it does not fit and will not work

plus a covered compartment to carry a small laptop or tablet

All functions are good

Olympus Zuiko Digital 9-18mm f4-5.6 lens mount_Contax RF 8 lens is clean andThe Olympus Zuiko Digital 9 18mm f4 5. 6 is an ultra wide lens for the Four Thirds digital SLR system not the Micro Four Thirds system, the Four Thirds. Clean glass, good function. Includes hood. This lens is for Four Thirds digital SLR cameras, not Micro Four Thirds mirrorless cameras.