Table of Contents
Advertisement
Aperture set atf/1.4 (2.85m'^3.16m)
Aperture set at f/22
6.88mm)
'ifiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
«i
15
8 b'
10
3
2
i2sa
AJ22 16 n 8 W
Depth-of-fieid Table; SMC Pentax-F 50mm Lens
unit-meter
Distance scale
f/T.4
m
f/2.8
1/A
f/5.6
f/B
f/n
f/16
f/22
0.45m
0.448
0.453
0.446
0,454
0.443
0.457
~
0.440
0.460
0.436
- 0.465
0.431
- 0.471
0.423
- 0.481
0.414
- 0.493
0.5m
0.497
0.503
0.495
0.505
0.494
0.507
. . . .
0.491
0.S09
0.487
0.513
0.482
~ 0.519
0.476
- 0.527
0.466
- 0.540
0.454
- 0.557
0.6m
0.595
0.605
0593
0.607
0.590
0.610
...
0.586
0.615
...
0.581
0.621
0.573
0.630
0.564
- 0.642
0.549
~ 0.663
0.532
- 0.691
0.8m
0,791
0,810
0.787
0.814
0.781
0.820
...
0.774
0.828
0.764
0.840
0.749
-- 0.859
0.732
~ 0.883
0.705
~ 0.927
0.675
- 0.987
1.0m
0.985
1.016
...
0.978
1.023
0.970
1.032
...
0.958
1.046
...
0.942
1.066
0.919
- 1.098
0.892
~ 1.140
0.851
- 1.218
0.806
- 1.328
1,5m
1.464
1.538
1.449
1.555
...
1.430
1.578
1.402
1.613
1.366
1.664
1.316
~ 1.746
1.259
- 1.861
1.174
- 2.093
1.086
~ 2.462
2.0m
1.935
2.070
...
1.908
2.101
...
1.874
2.144
1.825
2.213
1.764
2.312
1.679
- 2.478
1.584
- 2.724
1.449
- 3.265
1.314
- 4.298
3.0m
2.853
3.164
2.794
3.239
...
2.719
3.346
...
2.615
3.521
2.487
3.785
2.318
4.265
2.137
- 5.073
1.892
- 7.426
1.665
-16.883
10.0m
8.488
12.171
7.973
13.421
...
7,375
15.552
...
6.631
20.422
...
5.846
35.101
4.966
4.181
3.313
2.655
CO
-
55.370
38.772
-
27.707
19.408
-
13.876
9.726
7.086
4.885
3.565
55*
Advertisement
Table of Contents
