Focusing is done at full aperture with Nikkor lenses fit- ted with an automatic diaphragm. This technique pro- vides the brightest possible images on the focusing screen for easy focusing and composing. It also mini- mizes depth of field so that the image snaps in and out of focus distinctly.
The Nikon Type K screen comes with the camera as standard equipment. To focus, turn the focusing ring on the lens until the two halves of the rangefinder image coincide to form a single, crisp image; when using the microprism ring, turn until the microprism pattern shifts to a sharp and crisp image. You can also focus on the matte field that surrounds the rangefinder/micro- prism central area.
The lens can also be prefocused using the distance scale engraved in both meters and feet on the lens barrel. Simply turn the focusing ring until the desired camera-
