Difference between revisions of "Collinear"
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| − | The '''Collinear''' is a lens designed and made by [[Voigtländer]] (also spelled '''K'''ollinear on some lenses). It is a symmetrical double [[Anastigmat]] comprised of six elements in two groups. | + | The '''Collinear''' is a lens designed and made by [[Voigtländer]] (also spelled '''K'''ollinear on some lenses). It is a symmetrical double [[Anastigmat]] comprised of six elements in two groups.<ref>The technical drawing is taken from Photo-Sport (Paris) Catalogue 1930, p44.</ref> |
Revision as of 08:44, 16 October 2012
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| Voigtländer Collinear f/6.3 |
The Collinear is a lens designed and made by Voigtländer (also spelled Kollinear on some lenses). It is a symmetrical double Anastigmat comprised of six elements in two groups.[1]
Table 1 Coverage of the Voigtländer Collinear f/6.3[2]
| Focal Length |
Covers Wide Open |
Covers Fully Stopped Down |
Compur Shutter |
| 75mm | 4½ x 6 | 6 x 6 | 00 normal |
| 90mm | 6½ x 9 | 9 x 9 | 00 normal |
| 105mm | 8½ x 10 | 9 x 12 | 0 normal |
| 120mm | 9 x 12 | 10 x 15 | 0 normal |
| 132mm | 10 x 13 | 13 x 18 | 0 normal |
| 150mm | 12 x 15 | 15 x 20 | I normal |
| 165mm | 12 x 16½ | 16 x 21 | I R3 |
| 180mm | 13 x 18 | 18 x 24 | I R 3 |
| 200mm | 15 x 10 | 21 x 27 | II R 4 |
| 250mm | 18 x 24 | 21 x 27 | II R 5 |
| 310mm | 24 x 30 | 27 x 35 | III R 8 |
| 370mm | 27 x 35 | 30 x 40 | IV R 10 |
| 440mm | 30 x 40 | 35 x 45 | |
| 520mm | 35 x 45 | 45 x 55 |
