An excellent camera lens of 60 mm focal length is accurately focused for objects at 15 m. For what aperture (stop opening) will diffraction blur of visible light (1=550 mm) be roughly the same as the defocus blur for a star (at 0)?

icon
Related questions
Question
100%

Need help with the question in the attached picture, please be detailed!

An excellent camera lens of 60 mm focal length is accurately focused for objects at 15 m. For what
aperture (stop opening) will diffraction blur of visible light (^=550 mm) be roughly the same as the
defocus blur for a star (at 0)?
Transcribed Image Text:An excellent camera lens of 60 mm focal length is accurately focused for objects at 15 m. For what aperture (stop opening) will diffraction blur of visible light (^=550 mm) be roughly the same as the defocus blur for a star (at 0)?
Expert Solution
steps

Step by step

Solved in 3 steps with 1 images

Blurred answer