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© 2023 Ferdi Stutterheim

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Tele-Rolleiflex 2391
Photograph of Ferdi’s Tele-Rolleiflex with Rolleinar 0.35 in Bay III. This Rolleinar is equipped with a hinge. The frame with close-up lenses can be swung out of the way while the base plate stays mounted on the camera. A very neat solution.
Photo © 2023  F.W. Stutterheim

Depth of field with Rolleinar(s)

The Rolleinar 0.35 and Rolleinar 0.7 are dedicated to the Tele-Rolleiflex. Both were made only in Bay III. They can be used as such. The Rolleinar 0.35 can be combined with Rolleinars 1 or 2.

DOF Sonnar 4/135 mm
Circle of confusion = f/1400

Rolleinar number 0.35 0.35 0.7 1 1 + 0.35 2 2 + 0.35 3
Object Distance1 (cm) 250 200 140 100 75 50 40 30
Size Object Field (cm2) 100 × 100 80 × 80 60 × 60 40 × 40 30 × 30 20 × 20 16 × 16 12 × 12
Magnification 1 : 18.5 1 : 14.5 1 : 10.5 1 : 7.4 1 : 5.4 1 : 3.6 1 : 2.8 1 : 2.2
D.O.F. (cm) with f/ 4 237 - 264 192 - 209
5.6 232 - 270 189 - 213 134 - 146
8 226 - 280 184 - 219 132 - 149 96 - 105
11 218 - 294 179 - 227 129 - 155 94 - 106 72 - 79
16 206 - 318 171 - 242 125 - 159 92 - 109 70 - 80 48 - 52 39 - 41
22 193 - 355 162 - 262 120 - 168 90 - 113 69 - 82 47 - 53 38 - 42 29 - 31

1 Distance measured in cm from object to front lens.