1. Its TTL exposure meter requires batteries, but batteries are not otherwise needed. 2. He was using a manual, screw-mount Pentax with no exposure meter . 3. It is a full mechanical camera-batteries only needed to power the exposure meter . 4. A dozen more camera shutters fired at the remark, their exposure meters humming. 5. The exposure meter was always on, even with the lens inserted. 6. The exposure meter is a TTL open aperture centre-weighted type. 7. Other industrial applications included photocopiers, industrial automation, professional light measurement instruments and auto-exposure meters . 8. It also has a through-the-lens exposure meter controlling a needle visible in the viewfinder. 9. Likewise a switch for the exposure meter was also dropped. 10. In each case, the actual exposure level is still determined by the camera's exposure meter .
