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Lenses and Extension tubes for Nikonos systems |
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| Lenses for Nikonos systems |
| Lens |
80 mm |
35 mm |
25 mm |
20 mm |
15 mm |
| Max. aperture |
4 |
2,5 |
3,5 |
2,8 |
2,8 |
| Min. aperture |
22 |
22 |
22 |
22 |
22 |
| Angle(°) |
12 |
43 |
59 |
78 |
94 |
| Minimal distance (m) |
1 |
0,8 |
0,6 |
0,4 |
0,3 |
| Minimal distance (ft) |
3,3 |
2,6 |
2 |
1,3 |
1 |
| Lens number |
5 |
7 |
6 |
9 |
12 |
| Group number |
5 |
5 |
5 |
7 |
9 |
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| Extension tubes |
| Brand |
Product name |
Reproduction ratio |
Extension tubes size
mm |
Lens focus distance
mm (*) |
(*) |
Image (*) |
| L mm |
H mm |
L mm |
H mm |
| Nikonos |
Yellow |
1:2 |
19 |
180 |
58 |
39 |
- |
- |
| Nikonos |
Red |
1:1 |
42 |
163 |
28 |
19 |
- |
- |
| Nikonos |
Yellow+Red |
2:1 |
61 |
172 |
- |
- |
- |
- |
| Ikelite |
4090.11 |
1:1 |
- |
- |
- |
- |
- |
- |
| Ikelite |
4090.12 |
1:2 |
- |
- |
- |
- |
- |
- |
| Ikelite |
4090.13 |
1:3 |
- |
- |
- |
- |
- |
- |
| Sea and Sea |
35M-1 |
1:1 |
- |
- |
35.4 |
24.3 |
- |
- |
| Sea and Sea |
35M-2 |
1:2 |
- |
- |
70.8 |
48.1 |
- |
- |
| Sea and Sea |
28M-2 |
1:2 |
- |
- |
63.2 |
43.0 |
- |
- |
| Sea and Sea |
35M-3 |
1:3 |
- |
- |
101.2 |
70.8 |
- |
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| Immasub |
n°1 |
1:2 |
18 |
190.7 |
78 |
51 |
69.84 |
46.54 |
| Immasub |
n°2 |
1:1 |
30 |
166.4 |
48 |
32 |
41.76 |
27.84 |
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Notes :
- (*) : Measured value.
- Italic : Constructor value
- Extension tubes size : Pulling measurement in mm. Measure the extension tube size without the o-ring groove. See above picture.
- Lens focus distance : The focus distance must be measured from the film plan. A mark located under the advance lever, beside the serial number, indicate the film plan. See above picture. You have to measure the distance between the film plan and the framer.
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