Depth of field with Rolleinar 2
For the Wide-Angle Rolleiflex only the Rolleinar 2 was available. Wide-angle lenses focus to a shorter object distance by nature making Rolleinar 1 unnecessary and focusing even closer than 22 cm is pointless making Rolleinar 3 irrelevant.
Distagon 4/55 mm
Circle of confusion = f/700
Object Distance1 | 50 cm | 40 cm | 32 cm | 25 cm | |
---|---|---|---|---|---|
Size Object Field | 49×49 cm2 | 40×40 cm2 | 30×30 cm2 | 23×23 cm2 | |
Magnification | 1:8.7 | 1:7.2 | 1:5.4 | 1:4.2 | |
f/ | 8 | 46-54 cm | 37-44 cm | 30-34 cm | 24-26 |
f/ | 11 | 44-58 cm | 36-46 cm | 29-35 cm | 23-27 cm |
f/ | 16 | 42-62 cm | 34-18 cm | 28-37 cm | 23-28 cm |
f/ | 22 | 39-69 cm | 32-53 cm | 27-39 cm | 22-29 cm |