Which opening is the frame exposed through when the shutter opens?

Which opening is the frame exposed through when the shutter opens?

• A. Shutter
• B. Film Loop
• C. Pressure Plate
• D. Gate

Answer: (D)

Exposure happens through the film gate—the opening in the camera’s film plane where the frame is defined. When the shutter opens, light passes through the lens and lands on the film at this gate, recording the image. The gate is the actual window for exposure; the shutter only controls how long that window is open. The pressure plate keeps the film flat against the gate to ensure sharpness, and the film loop is part of moving the film through the camera, not the exposure window.

Exposure happens through the film gate—the opening in the camera’s film plane where the frame is defined. When the shutter opens, light passes through the lens and lands on the film at this gate, recording the image. The gate is the actual window for exposure; the shutter only controls how long that window is open. The pressure plate keeps the film flat against the gate to ensure sharpness, and the film loop is part of moving the film through the camera, not the exposure window.