Pentax P3 P3 Manual - Page 40

previewing

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DEPTH-OF-FIELD PREVIEW Your camera enables you to preview just what will and what will not be sharp in your pictures. By depressing the preview lever near the lens mount, you can close the lens down to whatever aperture you have set. You can then preview how much sharpness you will get in your picture by examining the picture area on the ground glass. After previewing your picture, if you release the preview lever, the lens will return to full aperture for focusing. You cannot, however, preview the depthe of field with your camera set in the Programmed AE mode. . 0,!th the ,Ult in :1 l•Ct 1 ox; Depth-of-field Table: SMC Pentax-A 50mm Lens Cono-c• mak 0 45m 05m Ohm 08,, I Om 3.0m IC, Om 1/1.4 0 418 - 0.453 0497 0.50.7 0.595 0.606 0.791 0 810 0 985 1 016 I 464 1538 1 935 - 1 070 2 853 3 164 8 488 7 t 71 55370 $12 0446 - 0.454 0.495 0.506 0.593 0907 0_787 - 0.814 0.978 - 1023 1.449 - 1 555 19013 - 2.101 2.794 - 3.239 7 973 - 13 421 38771 1/2.8 0.445 - 0455 0.494 - 0607 0.590 0610 0.781 0.820 0.970 - 1.032 1.430 - 1.579 1874 - 2.144 2.719 3.346 7.375 - 15.562 77 707 I/4 0443 - 0.457 0491 - 0509 0.586 - 0 615 0.774 - 0826 0.958 1046 1.402 - 1613 1825 2213 2815 - 3.521 260.643212 19.408 • 38 115.6 0 440 - 0460 0487 0.513 0.581 0.621 0.764 - 0.840 0.942 - 1.096 1.356 1144 1.764 2.312 2.487 - 1786 - 1144 36.101 13.876 In 0436 - 0.465 0.482 - 0.519 0573 - 0.630 0.749 - 0859 0119 - 1.095 1.318 - 1.746 1.679 - 2.476 2.31$ - 4.296 4866 9.7211 1/11 0431 - 0171 0.476 - 0.527 0564 - 0.812 0.732 - 0.683 0.192 - 1.140 1.256 - 1.881 1.584 2.724 2.137 - 5.073 1.161 7.099 1/16 0423 - 0 481 0.486 - 0.540 0,541 0663 wros - 0.927 0.961 1.218 1.171 - 2.1193 1.449 3.206 1892 - 7.428 3.313 4166 unit meter 1/22 0414 - 0 493 0 454 - 0 557 0632 - 0 691 0675 - 0.987 0.906 - 1.328 1.096 - 2.402 1.314 - 4.299 1166 -46.883 2.656 3.646

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DEPTH
-OF
-FIELD
PREVIEW
Your
camera
enables
you
to
preview
just
what
will
and
what
will
not
be
sharp
in
your
pictures.
By
depressing
the
preview
lever
near
the
lens
mount,
you
can
close
the
lens
down
to
whatever
aperture
you
have
set.
You
can
then
preview
how
much
sharpness
you
will
get
in
your
picture
by
examining
the
picture
area
on
the
ground
glass.
After
previewing
your
picture,
if
you
release
the
preview
lever,
the
lens
will
return
to
full
aperture
for
focusing.
You
cannot,
however,
preview
the
depthe
of
field
with
your
camera
set
in
the
Programmed
AE
mode.
.
0,!th
the
,Ult
in
:1
l•
Ct
1
ox;
Depth
-of
-field
Table:
SMC
Pentax-A
50mm
Lens
unit
meter
Cono-c•
mak
1/1.4
$12
1/2.8
I/4
115.6
In
1/11
1/16
1/22
•
38
0
45m
05m
Ohm
08,,
I
Om
3.0m
0
418
0446
0.445
0443
0
440
0436
0431
0423
0414
-
0.453
-
0.454
-
0455
-
0.457
-
0460
-
0.465
-
0171
-
0
481
-
0
493
0497
0.495
0.494
0491
0487
0.482
0.476
0.486
0
454
0.50.7
0.506
-
0607
-
0509
0.513
-
0.519
-
0.527
-
0.540
-
0
557
0.595
0.593
0.590
0.586
0.581
0573
0564
0,541
0632
0.606
0907
0610
-
0
615
0.621
-
0.630
-
0.812
0663
-
0
691
0.791
0_787
0.781
0.774
0.764
0.749
0.732
wros
0675
0
810
-
0.814
0.820
-
0826
-
0.840
-
0859
-
0.683
-
0.927
-
0.987
0
985
0.978
1
016
-
1023
0.970
0.958
0.942
0119
0.192
0.961
0.906
-
1.032
1046
-
1.096
-
1.095
-
1.140
1.218
-
1.328
1.430
1.402
1.356
1.318
1.256
1.171
1.096
-
1.579
-
1613
1144
-
1.746
-
1.881
-
2.1193
-
2.402
1874
1825
1.764
1.679
1.584
1.449
1.314
-
2.144
2213
2.312
-
2.476
2.724
3.206
-
4.299
I
464
1.449
1538
-
1
555
1
935
19013
-
1
070
-
2.101
2
853
2.794
3
164
-
3.239
2.719
2815
2.487
2.31$
2.137
1892
1166
3.346
-
3.521
-
1786
-
4.296
-
5.073
-
7.428
-46.883
IC,
Om
8
488
7
973
7.375
6631
1144
4866
1.161
3.313
2.656
7
t
71
-
13
421
-
15.562
20
.422
-
36.101
55370
38771
77
707
19.408
13.876
9.7211
7.099
4166
3.646