Archived posting to the Leica Users Group, 2000/08/07
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Damn, Tina, there you go taking all the fun and sweat and wasted time out of things again..... B. D. > -----Original Message----- > From: owner-leica-users@mejac.palo-alto.ca.us > [mailto:owner-leica-users@mejac.palo-alto.ca.us]On Behalf Of Tina Manley > Sent: Monday, August 07, 2000 5:14 PM > To: leica-users@mejac.palo-alto.ca.us > Subject: Re: [Leica] easy calc of hyperfocal distance > > > At 05:05 PM 8/7/00 -0400, you wrote: > >I recently read an easy to remember formula for calculating hyperfocal > >length. Divide the focal length of the lens (in mm) by 10, square the > >result, and you have the hyperfocal length in feet for f11. > > > >For example, for a 50mm lens, the HFD is (50/10) ^2, or 25 feet. > > > >Can anyone verify the accuracy of this method? > > > >Dan C. > > > It's a lot easier to place the infinity mark on the aperture. > > Tina > > > Tina Manley, ASMP > http://www.tinamanley.com > >