 |
 |
Articles / TULARC / Recreation / Photography / Lenses FAQ / |  |
|
|
||||
|
|
|||
|
|
|||
|
||||
|
|
||||
|
   |
|
||
|
07. How do I correct for bellows factor? |
|
||
|
||||
|
|
|
||
|
||||
|
|
Articles / TULARC / Recreation / Photography / Lenses FAQ / | |
|
|
||||
|
|
|||
|
|
|||
|
||||
|
|
||||
|
|
|
||
|
07. How do I correct for bellows factor? |
|
||
|
||||
|
|
|
||
|
||||
|
|
|
|
||
|
||
|
|
|
|
||
|
|
||
|
||
|
|
|
|
||
|
||
This article is from the Photographic Lenses FAQ, by David Jacobson with numerous contributions by others.
Ne = N*(1+M)
Bellows factor is the factor by which the effective f-number gets multiplied as the lens is focused up close. See the technical notes.
Continue to:
|
|
|
|
 |
|