Do you want BuboFlash to help you learning these things? Or do you want to add or correct something? Click here to log in or create user.



Tags
#photography
Question
The f-number N is given by:
Answer

F = f / D
where f is the focal length, and D is the diameter of the entrance pupil (effective aperture).


Tags
#photography
Question
The f-number N is given by:
Answer
?

Tags
#photography
Question
The f-number N is given by:
Answer

F = f / D
where f is the focal length, and D is the diameter of the entrance pupil (effective aperture).

If you want to change selection, open document below and click on "Move attachment"

F-number - Wikipedia, the free encyclopedia
tio in telescopes 6 Working f-number 7 History 7.1 Origins of relative aperture 7.2 Aperture numbering systems 7.3 Typographical standardization 8 See also 9 References 10 External links Notation[edit] The f-number N is given by: <span>where is the focal length, and is the diameter of the entrance pupil (effective aperture). It is customary to write f-numbers preceded by f/, which forms a mathematical expression of the entrance pupil diameter in terms of f and N. [2] For example, if a lens's focal length is

Summary

statusnot learnedmeasured difficulty37% [default]last interval [days]               
repetition number in this series0memorised on               scheduled repetition               
scheduled repetition interval               last repetition or drill

Details

No repetitions


Discussion

Do you want to join discussion? Click here to log in or create user.