From the Minolta 16 MG Owners Manual:
The f/2.8 20mm Rokkor lens provides extreme depth of field.
You are in sharp focus from 7 feet to 30 feet at f/5.6
Depth of field scale
Lens opening -- Distance in feet
Without auxilliary lens:
- f2.8 -- 8.75 ft. - 16.75 ft.
- f4 -- 7.75 ft. - 20.75 ft.
- f5.6 -- 6 ft. - 32 ft.
- f8 -- 6 ft. - 125 ft.
- f11 -- 5 ft. - infinity
- f16 -- 4 ft. - infinity
With built-in close-up lens:
- f2.8 -- 3.5 ft. - 4.5 ft.
- f4 -- 3.25 ft. - 4.75 ft.
- f5.6 -- 3.25 ft. - 5.25 ft.
- f8 -- 3.0 ft. - 5.75 ft.
- f11 -- 2.5 ft. - 7 ft.
- f16 -- 2.25 ft. - 11 ft.
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