|
Nikon 105mm f/2.8 Manual Focus
Micro-Nikkor
The extension available is 31 mm, and the focal length at
the close focus point is 91 mm.
Corrected focal length = Fc
| |
|
Magnification |
Subject distance |
Correcting Lens |
| Fc |
|
Near focus |
Far focus |
Near focus |
|
Far focus |
|
Focal Length |
Diopters |
| |
|
|
|
|
|
|
|
|
|
| 105 |
mm |
0.49 |
0.00 |
10.83 |
in |
Inf |
in |
|
|
0.00 |
| 95.02 |
mm |
0.65 |
0.11 |
8.22 |
in |
39.37 |
in |
1000 |
mm |
1.00 |
| 86.78 |
mm |
0.81 |
0.21 |
6.62 |
in |
19.69 |
in |
500 |
mm |
2.00 |
| 79.85 |
mm |
0.97 |
0.32 |
5.55 |
in |
13.12 |
in |
333 |
mm |
3.00 |
| 73.94 |
mm |
1.12 |
0.42 |
4.77 |
in |
9.84 |
in |
250 |
mm |
4.00 |
| 68.85 |
mm |
1.28 |
0.53 |
4.19 |
in |
7.87 |
in |
200 |
mm |
5.00 |
| 64.42 |
mm |
1.44 |
0.63 |
3.73 |
in |
6.56 |
in |
167 |
mm |
6.00 |
| 60.52 |
mm |
1.59 |
0.74 |
3.36 |
in |
5.62 |
in |
143 |
mm |
7.00 |
| 57.07 |
mm |
1.75 |
0.84 |
3.06 |
in |
4.92 |
in |
125 |
mm |
8.00 |
| 53.98 |
mm |
1.91 |
0.95 |
2.81 |
in |
4.37 |
in |
111 |
mm |
9.00 |
| 51.22 |
mm |
2.06 |
1.05 |
2.59 |
in |
3.94 |
in |
100 |
mm |
10.00 |
| |
|
|
|
|
|
|
|
|
|
|
| 33.87 |
mm |
3.02 |
2.10 |
1.78 |
in |
1.97 |
in |
50 |
mm |
20.00 |
| 26.25 |
mm |
4.18 |
3.00 |
1.28 |
in |
1.38 |
in |
35 |
mm |
28.57 |
| 22.11 |
mm |
5.15 |
3.75 |
1.04 |
in |
1.10 |
in |
28 |
mm |
35.71 |
| |
|
|
|
|
|
|
|
|
|
|
| 90.71 |
mm |
0.73 |
0.16 |
7.34 |
in |
26.25 |
in |
Nikon 3T |
|
1.50 |
| 80.49 |
mm |
0.95 |
0.30 |
5.64 |
in |
13.58 |
in |
Nikon 4T |
|
2.90 |
| 71.82 |
mm |
1.18 |
0.46 |
4.52 |
in |
8.95 |
in |
Both |
|
4.40 |
| 65.26 |
mm |
1.40 |
0.61 |
3.81 |
in |
6.79 |
in |
2 4Ts |
|
5.80 |
|