A: Its F-model of a Nikon model.
A: It is a product of Nippon Kogaku K.K. based in Tokyo, Japan.
A: Nikon F can undergo mirror action disorder, adjust the shutter speed, can repair exposure counter and can adjust the focal length of the lens flange , among others
A: To remove a front cover the two screws on the front surface that is in tandem with other components are unscrewed before the above operation.
A: Inspect the lever and spring mechanisms for malfunction and change them if necessary.
A: Yes, it entails taking off the finder and either washing or changing the prism, and also blowing the dust off the screen surface.
A: Yes, some items can be purchased separately but some parts can only be obtained as sub-assembly units.