Nikon Lens Coupling Ring

There is a screwdriver thing that pokes out of the camera like the alien and couples with the slotted rotating coupling shown below.

Nikon lens coupling ring. The lens mounted in the reverse position must be focused manually but the lens can be either manual or auto focus. The trick is to find a macro coupling ring that goes between sizes normally they have the same size threads on each side. The reverse coupling ring makes it possible to attach the two lenses face to face. When the lens is mounted the photographer must also enter the lens maximum aperture into the meter.

The lens mounted in the reverse position must be focused manually but this lens can be either manual or auto focus. Both sides are threaded with 52mm male threads. This works though a little screwdriver that sticks out of the camera which connects to a screw in the lens that is connected to the focus ring. On several nikon dslr camera bodies the focus motor is in the camera and a series of gears drives the lens focusing mechanism which allows the lens to focus.

Nikon lenses made before 1977 use the meter coupling shoe prong to couple with the camera meter. It rotates to move the lens in and out. A macro coupling ring has male filter threads on both sides so you can stack one lens onto another facing each other. This new system provided for proper meter coupling immediately upon mounting it was known as automatic indexing ai.

Af nikkor lenses use a mechanical coupling between the lens and the camera body. In 1986 nikon introduced autofocus af lenses. It is suitable for manual and auto focus lenses. Nikon s traditional af lenses are focused with a mechanical coupling between camera and lens.

This ring is used for extreme macro close up photography. The prong is mounted on the aperture ring at f5 6 and engages a pin on the camera. This ring is used for extreme macro close up photography. Both sides are threaded with 55mm male threads.

It consisted of a spring loaded ring around the lens mount with a protruding tab that engaged the end of a corresponding recess in the aperture ring of the lens. New method for meter coupling. Af s nikkor lenses feature nikon s silent wave motor swm. The magnification power is the ratio of the 2 focal lengths.