Pentax Program Plus Program Plus Manual - Page 52

previewing

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paarlos Depth-of-field preview Your camera is equipped to help you 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 depth of field with your camera set in the Programmed AE mode. Note: Taking pictures with the preview lever depressed will result in incorrectly exposed pictures. Depth-of-field Table: SMC Nntax A 50mm Urns unPt=nne9er 0stance scale 0 45m 0 5rn 06m O8,, I 0., 1 5m 2 Om 3 Om 10 Om 111.4 0 448 0 453 0 097 0 503 0 595 - 0.605 0.791 - 0810 0 985 1 016 1 464 1 538 1 935 - 2 070 2 653 3 164 8 488 12.111 55370 1/2 0 446 0 454 0 495 0 505 0 593 0 607 0 787 - 0814 0 978 - 1 023 1.449 - 1 555 1 908 - 2 101 2 194 - 3 139 7 973 s. 13 421 38 777 02 8 0 445 - 0 455 0 494 -.. 0 507 0 590 - 0 610 0 781 - OB20 0 970 - 1 032 1 430 - 1.578 1.874 - 2.144 2119 - 3 346 7 375 - 15 552 27 707 1/4 0 443 - 0 457 0 491 - 0 509 0 586 - 0 615 0 774 - 0 828 0 958 - 1 006 1 402 - 1 613 1 825 - 2 213 2 615 - 3 521 6031 - 20 422 19 408 7/5 6 0 400 - 0 460 D 487 - D513 0 581 - 0.621 0 764 - 0 840 0 942 - 1066 1. 366 - 1 664 1.764 - 2.3S2 2 . 487 - 3.795 5846 - 35.101 13 876 1/9 0 436 -0465 0 482 -0519 0573 .,- 0630 0.749 -0.859 0 . 919 - 1 098 1 . 316 - 1 746 1 679 - 2478 2 .318 .... 4 265 4 966 - - 9 726 1/11 0.431 -0.471 0.4 76 -0527 0564 -... 0.642 0.732 -0883 0.892 - 1.140 1 759 - 1.861 1 584 - 2.724 2 137 - 5 073 4 181 _ .. 7 086 1/16 0 423 -0481 0.066 -0.540 0 549 -- 0 663 0.705 -0.921 0.851 - 1.218 1.174 - 2 093 1.49 - 3 265 1 892 - 7 426 3 313 4 885 1/27 C414 -0493 0 450 -0557 0 532 .-- 0 691 0 675 -0981 0 806 - 1 328 1 086 - 2 062 1 314 - 4 298 1 665 -16 883 2 655 _ .- 3 565 • 48

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aro
pals
Depth
-of
-field
preview
Your
camera
is
equipped
to
help
you
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
depth
of
field
with
your
camera
set
in
the
Programmed
AE
mode.
Note:
Taking
pictures
with
the
preview
lever
depressed
will
result
in
incorrectly
exposed
pictures.
Depth
-of
-field
Table:
SMC
Nntax
A
50mm
Urns
0stance
scale
1
1
1.4
1/2
02
8
1/4
7/5
6
1/9
1/11
1/16
unPt=nne9er
1/27
0
45m
0
448
0
446
0
445
0
443
0
400
0
436
0.431
0
423
C414
0
453
0
454
—
0
455
—
0
457
—
0
460
—0465
—0.471
—0481
—0493
0
5rn
0
097
0
495
0
494
0
491
D
487
0
482
0
.4
76
0.066
0
450
0
503
0
505
-..
0
507
-
0
509
-
D513
-0519
-0527
-0.540
-0557
06m
0
595
0
593
0
590
0
586
0
581
0573
0564
0
549
0
532
-
0.605
0
607
-
0
610
-
0
615
-
0.621
.,-
0630
-...
0.642
--
0
663
.--
0
691
O8
,,
0.791
0
787
0
781
0
774
0
764
0.749
0.732
0.705
0
675
-
0810
-
0814
-
OB20
-
0
828
-
0
840
-0.859
-0883
-0.921
-0981
I
0.
,
0
985
1
016
0
978
-
1
023
0
970
-
1
032
0
958
-
1
006
0
942
-
1066
0
.
919
-
1
098
0
.
892
-
1.140
0
.
8
51
-
1.218
0
806
-
1
328
1
5m
1
464
1.449
1
430
1
402
1
.
366
1
.
316
1
759
1.174
1
086
1
538
-
1
555
-
1.578
-
1
613
-
1
664
-
1
746
-
1.861
-
2
093
-
2
062
2
Om
1
935
1
908
1.874
1
825
1.764
1
679
1
584
1.49
1
314
-
2
070
-
2
101
-
2.144
-
2
213
-
2.3S2
-
2478
-
2.724
-
3
265
-
4
298
3
Om
2
653
2
194
2119
2
615
2
.
487
2
.
318
2
137
1
892
1
665
3
164
-
3
139
-
3
346
-
3
521
-
3.795
....
4
265
-
5
073
-
7
426
-16
883
10
Om
8
488
7
973
7
375
6031
5846
4
966
4
181
3
313
2
655
12.111
s.
13
421
-
15
552
-
20
422
-
35.101
-
-
_
..
_
.-
55370
38
777
27
707
19
408
13
876
9
726
7
086
4
885
3
565
•
48