Goldcoin79
TPF Noob!
- Joined
- May 23, 2012
- Messages
- 152
- Reaction score
- 2
- Location
- Uk, Hemel Hempstead
- Can others edit my Photos
- Photos OK to edit
If I am working out the size of the apeture do I use the actual focal length or the 35mm equivalent value eg for a 50mm focal length with an apeture set at f5 on a camera with a 1.6 crop factor is the calculation 50/5 or 1.6 X 50/5