It is not possible to use M42 lenses to focus to infinity with an adaptor. However, you can use them by changing the mount on the camera. The existing mount can be removed simply by undoing the four fixing screws. Although the fitting never changed over the years, the way they fitted it to the camera, and the relative thicknesses of the bodies and flanges varied. For these reasons we will need you to send us your existing flange so we can match the alternative M42 fitting flange to ensure correct focus.
Made to order only. Please allow 4-6 weeks delivery.