34. Wave Optics
Diffraction
34. Wave Optics Diffraction
8PRACTICE PROBLEM
A photographer is using a telephoto lens to capture pictures of birds. If the camera lens has an 85 mm focal length, and the aperture is fully opened to 34 mm, determine what the f-number of this telephoto lens will be.
A photographer is using a telephoto lens to capture pictures of birds. If the camera lens has an 85 mm focal length, and the aperture is fully opened to 34 mm, determine what the f-number of this telephoto lens will be.