Get an all metal bokeh monster lens from Nikon, Lens Mastery defined; a version of this lens went into space with NASA circa 1965. Very good condition, circa 1969, as in photos.
Clear large aperture glass, smooth buttery sliding metal helicoids for focus, metal aperture dial for setting and clean and snappy iris blades.
Aperture Index (AI) tab to fit all Nikon cameras. Then set camera Non-CPU lense for this len's focal length 55mm and max aperture of f1.2 . Turn on auto-ISO, set max ISO to camera max, and limit lowest shutter to about 1/125 to limit hand shake. Then set the camera dial to Aperture or Manual on Nikon cameras to use the camera's autoexposure for this lens. Now, use the aperture dial on lens to set aperture and let camera choose the shutter and ISO.
This AI modification is really useful allowing you to use on your modern DSLR. Everyone will notice the bulbous front lens of this large aperture monster.
Get the bokeh, dreamy look only possible with a f1.2 lens. The focus depth is only a few inches, for extreme subject isolation from the background. Lens generated uniques bokeh bubbles for the background subject to photographers skill. Foreground is nicely out of focus.
Original Price of this 55mm f1.2 listed for $595 USD in 1965
You need to experience the large aperture manual focus lenses from half a century ago on your camera.
Get this all metal lens with caps, weighs about a pound and fits in your hands.