KYOCERA T AF-D Carl Zeiss Tessar 3.5/35 Body: 2 x AA batteries Date and time display: Requires a CR2025 battery. The following operations were confirmed without film. *I am a camera novice, so please judge the level of confirmation based on the images and comments. ▪️Operation check ・Shutter: ok (Image 9) → Shutter window opens and frame count advances when the shutter button is pressed. ・Rewind switch: ok (Images 11-13) → Rewind operation works even without film. Stops when rewound. When the film case is opened, the frame count resets to "s". ・Flash: ok (Image 10) ・Date and time display: ok → Years can be set from 80 to 19. ・Self-timer switch: ok (Image 14) → The self-timer activates the shutter automatically after a few seconds when switched on.