Which statement describes the DSLR mechanism?

Which statement describes the DSLR mechanism?

• A. It uses a mirrorless electronic viewfinder
• B. It lacks any viewfinder
• C. It relies on LCD screen only for framing
• D. It uses a mirror and prism to reflect the scene through the lens to the viewfinder

Answer: (D)

DSLRs use an optical viewfinder that works through the lens with a reflex mirror and a prism (or mirror) to send light from the scene to your eye. Light enters the lens, hits a mirror inside the camera, which reflects it upward into a pentaprism or pentamirror that redirects it to the viewfinder. This setup lets you frame the shot by looking directly through the lens with a bright, real-time optical image. When you press the shutter, the mirror flips up, the shutter opens, and light reaches the sensor to capture the image. That’s why the statement describing a mirror and prism reflecting the scene through the lens to the viewfinder is the best fit for a DSLR. The other ideas describe mirrorless systems (no mechanical mirror and electronic viewfinder), or the LCD-only framing approach, which don’t match the traditional DSLR mechanism.

DSLRs use an optical viewfinder that works through the lens with a reflex mirror and a prism (or mirror) to send light from the scene to your eye. Light enters the lens, hits a mirror inside the camera, which reflects it upward into a pentaprism or pentamirror that redirects it to the viewfinder. This setup lets you frame the shot by looking directly through the lens with a bright, real-time optical image. When you press the shutter, the mirror flips up, the shutter opens, and light reaches the sensor to capture the image.

That’s why the statement describing a mirror and prism reflecting the scene through the lens to the viewfinder is the best fit for a DSLR. The other ideas describe mirrorless systems (no mechanical mirror and electronic viewfinder), or the LCD-only framing approach, which don’t match the traditional DSLR mechanism.