|
Nikon 200 mm f/4 Manual Focus
Micro-Nikkor
The extension available is 47 mm, and the focal length at
the close focus point is 165 mm.
Corrected focal length = Fc
| |
|
Magnification |
Subject distance |
Correcting Lens |
| Fc |
|
Near focus |
Far focus |
Near focus |
|
Far focus |
|
Focal Length |
diopters |
| |
|
|
|
|
|
|
|
|
|
|
| 200 |
mm |
0.50 |
0.00 |
19.57 |
in |
Inf |
|
|
|
0.00 |
| 166.67 |
mm |
0.80 |
0.20 |
12.21 |
in |
39.37 |
in |
1000 |
mm |
1.00 |
| 142.86 |
mm |
1.10 |
0.40 |
8.87 |
in |
19.69 |
in |
500 |
mm |
2.00 |
| 125.00 |
mm |
1.40 |
0.60 |
6.97 |
in |
13.12 |
in |
333 |
mm |
3.00 |
| 111.11 |
mm |
1.69 |
0.80 |
5.74 |
in |
9.84 |
in |
250 |
mm |
4.00 |
| 100.00 |
mm |
1.99 |
1.00 |
4.88 |
in |
7.87 |
in |
200 |
mm |
5.00 |
| 90.91 |
mm |
2.29 |
1.20 |
4.24 |
in |
6.56 |
in |
167 |
mm |
6.00 |
| 83.33 |
mm |
2.59 |
1.40 |
3.75 |
in |
5.62 |
in |
143 |
mm |
7.00 |
| 76.92 |
mm |
2.89 |
1.60 |
3.36 |
in |
4.92 |
in |
125 |
mm |
8.00 |
| 71.43 |
mm |
3.19 |
1.80 |
3.05 |
in |
4.37 |
in |
111 |
mm |
9.00 |
| 66.67 |
mm |
3.49 |
2.00 |
2.79 |
in |
3.94 |
in |
100 |
mm |
10.00 |
| |
|
|
|
|
|
|
|
|
|
|
| 40.00 |
mm |
5.18 |
4.00 |
1.88 |
in |
1.97 |
in |
50 |
mm |
20.00 |
| 29.79 |
mm |
7.29 |
5.71 |
1.33 |
in |
1.38 |
in |
35 |
mm |
28.57 |
| 24.56 |
mm |
9.06 |
7.14 |
1.07 |
in |
1.10 |
in |
28 |
mm |
35.71 |
| |
|
|
|
|
|
|
|
|
|
|
| 153.85 |
mm |
0.95 |
0.30 |
10.28 |
in |
26.25 |
in |
Nikon 3T |
|
1.50 |
| 126.58 |
mm |
1.37 |
0.58 |
7.12 |
in |
13.58 |
in |
Nikon 4T |
|
2.90 |
| 106.38 |
mm |
1.81 |
0.88 |
5.36 |
in |
8.95 |
in |
Both |
|
4.40 |
| 92.59 |
mm |
2.23 |
1.16 |
4.35 |
in |
6.79 |
in |
2 4Ts |
|
5.80 |
|