Archived posting to the Leica Users Group, 1999/06/15
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Mark, Hyperfocal distance is a function of (1) aperture; (2) focal length. So in your examples below, it is correct that in the first case your hyperfocal distance is 8' and 12' respectively. Nathan Mark Rabiner wrote: > I've never thought I understood the Hyperfocal distance concept fully. > With a 35mm lens if I stick the infinity at the right at f16 I get > everything from 4' to infinity in focus and I am focused at 8'. I notice > 4' is half of 8' as you say. You are saying 8' is the Hyperfocal > distance. And I guess it is only the Hyperfocal distance at f16. > With a 35mm lens if I stick the infinity at the right at F11 I get > everything from 6' to infinity in focus and I am focused at 12.' So the > Hyperfocal distance changes with each F stop am I right? I keep hearing > about how each lens has it's Hyperfocal distance which confuses me as it > would change with each F stop. Unless I have it wrong. Which would mean > I am hopelessly ensnared in a circle of confusion! > Mark Rabiner - -- Nathan Wajsman Overijse, Belgium General photo page: http://members.tripod.com/belgiangator Belgium photo page: http://members.xoom.com/wajsman