Archived posting to the Leica Users Group, 2000/08/07

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Subject: [Leica] Re: easy calc of hyperfocal distance
From: Jim Brick <>
Date: Mon, 07 Aug 2000 15:07:46 -0700
References: <>

>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.

At 05:13 PM 8/7/00 -0400, Tina Manley wrote:
>It's a lot easier to place the infinity mark on the aperture.
>Tina Manley, ASMP

Isn't that the truth...


In reply to: Message from Dan Cardish <> ([Leica] easy calc of hyperfocal distance)