Mamiya K/L 90mm f/3.5 lens, a standard lens for medium format cameras with a floating system. This is the later 90mm model. Compared to the earlier model, the body shape has been removed, and the floating element has been adjusted to improve the depiction of close-up shots. Mamiya considers the 127mm lens as standard for the 67, but this is quite telephoto, so ideally, the 90mm, which is the diagonal length of the 6x7 film, should be considered the standard lens. The lens is in very beautiful condition considering its age. Please judge from the images as dust and debris inevitably get mixed in with use. I think it's quite clear. Both the shutter and aperture are in good working order. This lens was paired with the RB67, which is also listed for sale. I considered keeping it because of its good condition, but I have stopped shooting film, so I am selling it. The lens will be shipped with the shutter released, as leaving the lens shutter charged can cause the spring to remain extended.