Mount Adapter Ring to fit M42 lenses to Nikon cameras, DSLR or SLR.

This new mount adapter ring allows you to attach older Screw type lenses.

These include Fujica ST901 (1975) Olympus FTL (1970) Pentacon, Pentax Electro Spotmatic (Japan only), ES, Spotmatic F and ESII (1971, 1971, 1973, 1973) Praktica EE 2 and EE 3 (1977, 1979, EE = Electric Eye) Yashica Electro AX (1972) Ricoh TLS-EE (1973) and corrent Zenit SLRs

The adapter includes a correction lens that enables the attached lens to reach infinity. However if a prime lens is used of wider angle than f50mm (ie, f10 up to f49). infinity cannot be achieved. f50mm and above is fine. Likewise using a f1.4 aperture infinity cannot be reached.

Focus is manual.

The aperture required will need to be set manually on the M42 lens and auto-exposure will then function. If the M42 lens does not have an aperture ring, maximum aperture will be utilised. Focussing to infinity and TTL flash metering is preserved with this adapter.

To Mount: Mount the M42 Lens onto the adapter, then mount them onto the Nikon camera. Set the aperture on the lens, switch the camera on, choose any program from the Mode dial except shutter speed priority, focus the lens manually, and shoot.

To Remove: Remove both lens and the adapter together from the camera in the same way you would remove a lens. Then remove the adapter from the lens by depressing the lock on the mount, rotating the mount on the lens and removing.

A M42 adapter for Nikon is available without the correction lens--this is less than 1/3 price, and is useful for Macro use.

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