the lens is in great condition - PLEASE READ - there are hairline scratches on the front element - please see the photos - its hard to see - doesn't effect the photo underwater - rear element is clean - no scratches - O-ring intact no cracks but would recommend a replacement 
focus is smooth, aperture operates smoothly 
there are small scratches on the lens mount 
view finder in excellent condition - 
This lens works underwater only - its a hard to find item - original lens cover and rear cap - there's writing on the cap and cover - 
If purchasing from overseas please contact me - the free shipping is for domestic US only