All the Nikon and Nikkor lenses before the "G" series have aperture rings, and the aperture works with the ring, even off the camera.
The old Canon FD series lenses only stop down to the aperture ring setting if you move the little lever at the back of the lens. I used to get around this with two rubber bands, one around the lens, and the other hooked on the lever, and under the first band. I later took a rear lens cap, cut out the back, and put a small screw thru the side to hold the lever.
Be careful not to scratch the glass while using it reversed.
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