66ACCESSORIES continuedInterchangeable Focusing ScreensThree different types of focusing screens are usable with lheNikon FA. The Type K2 screen comes with the camera as astandard accessory. Two optional focusing screens, Type B2(matte/Fresnei with focusing spot) and Type E2 (matte/Fresnelwith focusing spot and etched grid lines) are also available forthe FA to match your particular requirements.To change focusing screens, follow this procedure:1. Remove the lens from the camera body.2. Slip the small tip of the special tweezers (that come with theoptional screens) under the focusing screen release latch 4 atthe top front of the mirror box casting and put outward tospring open the holder.3. Take the screen out by grasping the small tab with thetweezers.4. Carefully position another screen in place with the flat sidefacing down and the side with the tab facing up.5. Then push the front edge of the holder upward with thetweezers until it clicks into position.• To avoid getting smudges or fingerpants on the screen'soptical/ surface. do not handle the screen with your fingers.