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MIL-STD-150A.016197.PDF
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MIL-STD-150A.016197.PDF
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M!L-STD-UOA
12 My
19s9
SUPERSEDING
MK-STD-I 50
23 Cktdaor 1954)
MILITARY STANDARD
PHOTOGRAPHIC LENSES
(
------
.- .
......... .. . .
Downloaded from http://www.everyspec.com
MlL-STD-l SOA
T2 May 1?59
ARMED FORCES SUPPLY SUPPORT CENTER
WASHINGTON 25, D. C.
Photographic Lenses
MHXTD-150A
1. This standard has been approved by the De~artxnent of Defense
and k mandatory for use by the Departments of the AmYY, the Na~,
and the Air Force, effective 12 May 1959.
2. In accordance with established procedure, the Signal Corps, Bureau
of Aeronautics, and Air Force have been designated as Aimy-Navy-Air
Force custiians of this standard.
3. Provisions of this stindard are the subject of international stand-
ard~t.ion agreement When revision or cancellation of this standard is
proposed, the departmental custodians will inform their respective De
paxtmental Standardization Oflices so that appropriate action may be
taken respecting the international a~eement concerned.
\.
f-
4, p,ee~mtimegd~- CWV@ion ~.
gd~itinn~, or dekt.iong should be ad-
dressed to the Standardization Division, Armed Forces Supply SuppOti
Center, Washington 25, D. C.
Downloaded from http://www.everyspec.com
MLSIW1 50A
12 Muy ?9s9
L SCOPE . .........................................................................................................................
1.1 PURPOSE
........................ ........................ .............. ..................................................
1.2 CLMHF: CATION ...................................................................................................
Types of Lenses ......................................................................... ...........................
Type I — Aerial Recormaissance
.................................... ................................
Type II — Aerial Mapping ........... ... ..............................................................
Type III
— General Photographic
............ ......................................................
Typerv-Process
...................................................................... ......................
Typev
— Motion Picture Camera .................................................................
TypevI — Enlarger
.........................................................................................
Type VII
— Projection ................ ...... ........ ....................................................
T@ VIII — Photomicrographic
.... . ..................... ...
.............. ......................
Type IX — Portrait
............... ... ..........
................... ........................................
Typex — View%nder ....... ........ ......................................................................
Type
XI
—
Condenser .......................................................................................
~
XII
—
copying ....................".. ................................................................
Type XIII — Microphotc)gmphic .. ..................................................................
Type XIV
— Recording
............. ..... .... ..........................................................
2.
REFERENCED DOCUMENTS ..... .............................................................................
21
NOT APPLICABLE ... ... ............. . . .. ................ ............................................
3.
DEFINITIONS ...............................................................................................................
3.1
3.1.1
US
3.121
3.1.2.1.1
3.1.2.12
3.122
$.1.3
3.1.3.1
8.1.8.2
3.1.23.1
3.1.4
3.1.6
$.1.6
8.1.?
3.1.8
3.1.9
S.1.lo
AXES, POINTS, AND DISTANCES
.......................... .........................................
Optical axis ..................................... ....................................................................
Axis of beat definition ............................ ..............................................................
Plane of best definition
...........................— ...........................................................
Plane of best average definition
over the picture area .... ....................................................................................
Field tilt
...................................................................................................................
Best principal focus ...............................................................................................
IKdanicd axis .......................................................................................................
Flange tilt ...............................................................................................................
Plane of the receiver ...............................................................................................
Focal tilt ................................................. ........... ...................................................
Equivalent focal length
.........................................................................................
Calibrated fod length ...........................................................................................
Back focal distance .......................................................................................... ......
Flange focal distance .............................................................................................
Front
focal distance ............................. ..............................................................
Front werkbari focni distance ....................... ............ ............... . ........
Telephoto ratio . ..... .. . ...... .
fil
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
3
3
4
Downloaded from http://www.everyspec.com
MI1-Sl’&l sOA
12 Moy 1959
Pap.
3.1.11
32
32.1
322
323
%2.4
32.5
32.5.1
32.6
32.6.1
3.27
328
8.3
33.1
332
3.33
3-3.4
3.3.5
32.6
3.3.7
3.3.8
3.3.9
3.4
3.4.1
3.42
3.4.3
3.4.4
3.4.5
3.4.6
3.4.7
3.5
3.6
3.6.1
3.62!
9.6.2.1
3.6.2.2
3.6.2.3
3.6.2.4
3.6.2.5
3.6.3
3.6.4
3.6.4.1
3.6.5
8.6.5.1
Depth of focus and depth of field
................ ........................................................
APERTURE AND RELATED QUANTITIES
................-..”----------------...... ...........
hns Speed
..................... .............................
...... .. ............................... ...................
Aperture ratio
.......................................”
........ ......
..... ....... ...
...... .. .... ..............
Effective aperture
.................... .....
.......................... ..............................................
Chx aperture .......... ...................................."....""""."""."."."."."""..."".
.........................
Relative aperture
................................................................ .............. ...................
f-number
...................................................—. ....... ............................ ...................
T-stop and T-number
.............................................................................................
Area weightd average T-number
....................... .. . .-... —..
........ ........... .......
Front operating aperture
............................................................
........................
Rear operating aperture
...............-...”.......— ......................................................
CONSTRUCTIONAL FEATURES
.... . .... ...............
........ ........................................
Optical system ............ ........ .....................s...."""".""...."........"""....."""."..""".........""....
Member
..........................
...................... .. ...............-—.-. ......................................
Component . . ........... .. ... .. ...............--- ...........--..--.-= -"""---
............... ..... .............
Element
.............. .........-.$-------------. .............
.. .... ...... ... ......
.. ........ .. ..................
Front of photographic lens
......................... .........................................................
Back of phO@T8phlC ha
..-.....—.-----.-.=--------
.......... .. . ................. .....................
Name of design . ...............
..... ... ...... ....................................................................
Telephoto .......................................................... .....................................................
Glass ~
...... . ...................... ......... ................"....a.."""."...".".."".."..".."."""...".""....."
MECHANICAL AND STRUCTURAL FEATURES
........................... .. . . ..........
Ceil ................... ............
............................ ................
......................... .. ...... . ......
Barrel ......................................................................... ............. .......... .... .............
Cone ............. .............
... ... . ................
........................ .
...................... ...................
Lens diaphmgm
........................................
.................... ......
.............. .. ...............
Iris diaphra~ control
.......................................
..... ....................
...... . ................
Parfocalized
......................................................................................... ...................
Spanner wrench openings
.. ..................................................................................
FIELD OF VIEW
..................................................................................... ...................
OPTICAL C~ARA-bxsTICS
...............................................................................-.
Image quality
...................... ..........................". "".".."."".. ..." . .. .."..""""""....""..."""""....
Resolving power ................................................................... ...................................
Photographic resolving jmwer
.............................................................................
Visual resolving power ...................................... ..................................................
projected photographic resolving power .............................................................
Projected visual resolving power
.........................................................................
Area weighted average resohztion
.........................................................................
Astigmatic and curvature of field
........ ...................................... ............. .......
Color correction
..............................................................................
.......................
Longitudinal chromatic aberration
.......................................................................
Mamifkation .......................................... -....-.---...-........!.."...`....-..$....."........-."-.`."
Paraxial magnifwstion
.............................................................. .
...........
4
4
4
4
4
4
5
5
5
5
6
6
6
6
6
6
6
6
6
6
6
7
7
~
7
7
7
7
7
7
‘7
‘i
7
8
8
8
9
9
9
9
10
10
10
10
iv
Downloaded from http://www.everyspec.com
12 may 19s9
Pago
8.6.5.2
3.6.6
8.6.6.1
3.6.6.2
3.6.6.3
3.6.6.4
8.6.6.5
3.6.7
S.6.7.1
3.6.7.2
3.6.72.1
8.6.7.2.2
3.6.7.3
3.6.7.4
3.6.8
S.6.&l
S.6.9
9.6.9.1
8.6.9.1.1
3.6.9.12
3.6.10
3.6.11
Calibrated magnification
.......................................................................................
Distortion
............................................................................. . ...................
... .. .......
Radial distortion
.....................................................................................................
Tangential distortion
.................... ........................................................................
Errors of centration
............................!................................................. ................
Principal point of autocollimation ..........................................................""...........
Prism effect ............................................................................................................-
Relative illumination
........................................................... .................................
Vignetting ....... .......................................................................................................
~s4 ~~
. . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Illuminance distribution ................................................ .. ...................................
Variation of cosa law .............................................................................................
Beam sections
......................... ................................................................. ...........
Obliquity angles .................................... .................................................. ........ ...
Tmnsmitfanw ........................................................................ .......... .. ............ ...
Color contribution ...................................................................................................
Spheriml aberration ........ ....................................................................................
Focal shift ..........................................................."............... ..................................
Position of greatest concentration .......................................................................
Haze position ............. ..........................................................................................
Veiling glare .................. ....................................................... ................................
Condenser charadertistics ................................ ..................................................
3-7
MISCELLANEOUS. FEATURES ..............................................................................-
8.7.1 Performance designation
.......................................................................................
9.7.1.1 Achromat ............................................... .................................................................
8.7.12
Anastigmat
.............................................................................................................
3.7.1.3 Apochromat ........................................................................... ...............................
3.’72
Reflection reducing coatings .................................................................................
3.7.3
Environmental range ...........................................................................................
&7.4
Optical glass ....................................................................................................-
3.7.4.1
Refractive index .....................................................................................................
S.7.4.2
Dispersion ....................................................... .........................................................
8.7.4.2.1
Dispersive power ............................................................................................. ....
3.7.42.2
Abbe v number ............................................................. .........................................
8.7.43
Double refratilon
................................................................’...................................
8.7.4.4
Chemical chewabilityof glass ................ . ............. .................................................
8.7.5 Internal surfmea ...................... .. ................... ... .......................................- ..
3.8
BEAUTY DEFECTS .................................................... ................................................
8.8.1
Material defcx%s .................. ................................................................................
8.&Ll BuMAs ........... .......... ...........................................................................................
3.8.1.1.1 See& .........................................................................................- ............................
3.8.L12
Air bells ..................................................................................................................
Z8.I.2
Cracks ...................... ............................................................................... ............
3.8.L3
Feathers ....... ..........
......... ....... ..........................................
3.8.1.4
Folds. or la~s ...........................................................................................................
u
11
n
11
u
12
12
M
12
18
13
1!)
13
14
14
14
14
14
14
15
15
15
15
Xs
15
15
15
16
16
16
16
16
16
16
16
16
16
16
17
17
17
17
17
17
17
v
Downloaded from http://www.everyspec.com
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