Carl Meyer 100mm f2.3 Type 'A' spare This came out in 1959

This came out in 1959 and cost more than 5 grand in 2021 dollars

Works with D200/D300/D800 and similar

6L IS USM is specced exactly like the non-L version: same aperture range

With supported cameras and lenses

Carl Meyer 100mm f2.3 Type 'A' spare This came out in 1959A rare lens in a threaded tube, this Carl Meyer 100mm f2. 3 will cover full frame 35mm at infinity, and may cover digital medium format sensors. This lens will require some adapting work to make it mount on a camera: it does not have a camera mount, and will not directly attach to anything, so you'll have to put some work in. Light internal dust, working diaphragm.