Most of the time we come across an absurdly large and expensive lens on eBay, it’s some sort of lens with focal lengths in the thousands of millimeters (e.g. this 5200mm Canon lens or this 2000mm Nikon lens).
The lens shown above is the Kilfitt Zoomatar 250mm f/1.3 and is currently for sale on eBay. It doesn’t have an absurdly large focal length, but is pretty standard at 250mm. See the little box handing off the end of the lens? That’s the Hasselblad medium format camera this lens is designed for.
The price? A cool $33,751. Needless to say, walking around doing street photography with this lens would earn you some pretty strange looks.