From the Minolta 16 MGS Owners Manual:

The f/2.8 23mm Rokkor lens provides extreme depth of field.
You are in sharp focus from 7 feet to 32 feet at f/5.6

For close-ups it is recommended to use one of the various close-up lenses.

Depth of field scale

Lens opening -- Distance in feet

Without auxilliary lens:

• f2.8 -- 8.75 ft. - 16.75 ft.
• f4 -- 7.85 ft. - 20.85 ft.
• f5.6 -- 6.9 ft. - 31.85 ft.
• f8 -- 5.95 ft. - 124 ft.
• f11 -- 4.95 ft. - infinity
• f16 -- 4.1 ft. - infinity

With built-in close-up lens:

• f2.8 -- 3.7 -4.4
• f4 -- 3.5 - 4.7
• f5.6 -- 3.2 - 5.1
• f8 -- 3.0 - 5.75
• f11 -- 2.9 - 7.1
• f16 -- 2.5 - 10.8

With 80cm close-up lens (in inches):

• f2.8 -- 29.5 - 33.75
• f4 -- 28.75 - 34.75
• f5.6 -- 27.35 - 36.5
• f8 -- 26.5 - 39
• f11 -- 25 - 43
• f16 -- 22.75 - 51.5

With 40cm close-up lens (in inches):

• f2.8 -- 15.25 - 16.25
• f4 -- 15 - 16.5
• f5.6 -- 14.75 - 16.75
• f8 -- 14.5 - 17.5
• f11 -- 14 - 18
• f16 -- 13 - 19.25

With 25cm close-up lens (in inches):

• f2.8 -- ?  - ?
• f4 -- ?  - ?
• f5.6 -- ?  - ?
• f8 -- ?  - ?
• f11 -- ?  - ?
• f16 -- ?  - ?

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