Re: [pinhole-discussion] f-number

2001-03-14 Thread John Yeo
- From: Renovica To: pinhole-discussion@p at ??? Sent: Tuesday, March 13, 2001 2:38 PM Subject: [pinhole-discussion] f-number I made a pinhole with a pinhole diameter of 0.1mm. What formula do I use to calculate the f-number? How do I determine the exposure time. Please reply

Re: [pinhole-discussion] f-number

2001-03-13 Thread George L Smyth
--- Renovica r...@mbox.vol.cz wrote: I made a pinhole with a pinhole diameter of 0.1mm. What formula do I use to calculate the f-number? How do I determine the exposure time. Please reply to this email address. Many thanks. Gorana Renovica If you go to

[pinhole-discussion] f-number

2001-03-13 Thread Renovica
I made a pinhole with a pinhole diameter of 0.1mm. What formula do I use to calculate the f-number? How do I determine the exposure time. Please reply to this email address. Many thanks. Gorana Renovica