Meaning of viewfinder

1. The photographer carefully adjusted the viewfinder on his camera before capturing the perfect shot.
2. I struggled to see through the viewfinder on the old binoculars, as they were covered in dirt.
3. The viewfinder on the camcorder made it easy to frame the shot before pressing record.
4. The viewfinder on the drone allowed the pilot to see exactly where it was flying.
5. She peered through the viewfinder on the telescope, trying to spot a shooting star.
6. The viewfinder on the virtual reality headset made it feel like I was actually inside the game.
7. The director looked through the viewfinder on the camera to make sure the actors were in the right position.
8. The viewfinder on the periscope allowed the sailor to see above the waterline while remaining hidden.
9. He adjusted the viewfinder on the sniper rifle, focusing in on his target before taking the shot.
10. The viewfinder on the microscope magnified the tiny organisms, making them easier to study.