Depth of field scale
Lens opening -- Distance in feet
With lens at infinity:
-
f3.5 -- 28 ft. - infinity
-
f5.6 -- 18 ft. - infinity
-
f8 -- 13 ft. - .infinity
-
f11 -- 9 ft. - infinity
With lens at 12 feet:
-
f3.5 -- 9 ft. - 12 ft.
-
f5.6 -- 7 ft. - 36 ft.
-
f8 -- 6 ft. - infinity
-
f11 -- 5 ft. - infinity
With lens at 6 feet:
-
f3.5 -- 5 ft. - 7 ft.
-
f5.6 -- 4.5 ft. - 9 ft.
-
f8 -- 4.1 ft. - 11 ft.
-
f11 -- 3.7 ft. - 17 ft.
With lens at 3 feet:
-
f3.5 -- 2.7 ft. - 3.3 ft.
-
f5.6 -- 2.6 ft. - 3.5 ft.
-
f8 -- 2.5 ft. - 3.8 ft.
-
f11 -- 2.3 ft. - 4.3 ft.
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COPYRIGHT @ 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 by Joe McGloin. All Rights Reserved.