WIDE FIELD HIGH POWER ANAMORPHIC STEREOVIEWER BRIEFING

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP79B00873A001800020076-1
• Release Decision: RIPPUB
• Original Classification: C
• Document Page Count: 7
• Document Creation Date: December 28, 2016
• Document Release Date: October 24, 2012
• Sequence Number: 76
• Publication Date: March 17, 1971
• Content Type: MISC

Declassified in Part - Sanitized Copy Approved for Release 2012/10/24: CIA-RDP79B00873A001800020076-1
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ATTACHMENT 3 TO:
EAKANV -4Z
WIDE FIELD HIGH POWER ANAMORPHIC STEREOVIEWER BRIEFING
GROUP I EXCLUDED FROM
AUTOMATIC DOWNGRADING
AND DECLASSIFICATION
Presented By
17 March 1971
CONFIDENTIAL
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WIDE FIELD HIGH POWER ANAMORPHIC STEREOVIEWER
Narration
During this short briefing on the Wide Field High Power Anamorphic
Stereoviewer, I will discuss the original thinking which launched this
project, a brief history of its evolution, and the predicted character-
istics of the instrument. Finally, I will discuss budgetary production
cost of the equipment and make a request for some informal feedback from
the members of your group.
Now, let us take a look at the original thinking behind this instru-
ment.
Slide 2
CONCEPT - To design and fabricate a table top instrument having
optical qualities equivalent to those of the currently available high
power stereoviewer but with a wider field of view.
Narration
The important words here are, "wider field of view". We will discuss
this in more detail shortly.
Why do we need a Wide Field High Power Anamorphic Stereoviewer?
Just what will it do for us; what is its purpose?
Slide 3
PURPOSE - To improve the photographic interpreter's performance in
the detailed analysis of specific targets by increasing the area on the
film presented to his eye at each selected magnification.
Narration
To give you an idea of what the wider field of this equipment will
look like to the photographic interpreter, we have prepared this set of
simulated comparative views at four separate magnification powers; 10X,
30X, SOX, and 100X. There are two presentations at each magnification;
the first shows the field of view as seen through the presently avail-
able High Power Stereoviewer, while the second shows the field of view
which will be seen through the Wide Field High Power Anamorphic Stereo-
viewer. You will notice the increased amount of contextual information
which will be available in the latter instrument.
CONFIDENTIAL
Declassified in Part - Sanitized Copy Approved for Release 2012/10/24 : CIA-RDP79B00873A001800020076-1
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Declassified in Part - Sanitized Copy Approved for Release 2012/10/24 : CIA-RDP79B00873A001800020076-1
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Now, let us turn our attention to more specific data.
Slide 4
REQUIREMENTS
10X to 180X Magnification
Wide flat field of view (at least 37 mm @10X magnification)
Image quality equivalent to the High Power Stereoviewer
Resolution of entire system:
10 line pairs/mm/magnification power at 10X magnification.
6 line pairs/mm/magnification power at 180X magnification.
Each optical path to have:
Zoom magnification
Image rotation
Anamorphic Correction (1.1 to 2.2X)
Eyepiece tilting range:
0 to 45 degrees from horizontal
Four 6" x 6" film chip stages having rotation and X and Y
translation.
Separate illumination for each stage.
Narration
In early 1967, these requirements were incorporated into a Develop-
ment Objectives document and sent out with a Request for Proposal to
these eight prospective bidders.
Slide 5
PROSPECTIVE BIDDERS:
* Bausch & Lomb, Inc.
Perkin Elmer Corporation
* Stele Corporation
Link Group - General Precision, Inc.
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* American Optical Company
Northrup/Nortronics
* Diffraction Limited, Inc.
The Boeing Company
Narration
Only the four contractors designated by a star submitted bids. Of
particular importance, however, was the fact that all of these contractors
stated that the attainment of the requirements would involve a great deal
of risk. Without exception, the bidders noted that costing would be
difficult since the construction of this instrument would involve pushing
the state-of-the-art in optics. Bausch & Lomb, Inc., was finally chosen
as the successful bidder and a contract was let in June 1967. This con-
tract was for approximately with a period of performance of 20 25X1
months. To protect the government, the contract was divided into two
phases: I - a design analysis study and, II - final design and fabrica-
tion; prosecution of the second phase being contingent upon successful
completion of the first. With a number of overruns and time extensions,
Phase I was finally completed in March 1969 for about consider- 7)(1
ably more than the originally planned 25X1
Evaluation of the preliminary design, both by our own technical
personnel and our paid consultant, indicated that the instrument could
be built to the original specifications. At the end of Phase I, the
instrument was envisioned as being as shown in this wooden mock-up.
Slide 6
(See attachment 1 to this briefing summary.)
Narration
The upper structure, the portion containing the optics, had an open
triangular shape, when viewed from the top, and rested on the three
columns shown. To the inboard side of each lens turret and toward the
rear, you will notice separate field lens carrousels. Each of these
carrousels contained four separate field lenses which had to be mated
with their appropriate objective lenses, an undesireable feature from
the standpoint of convenience for the operator. The necessary controls
for the instrument were arranged as captioned on the model.
Returning for a moment to the history of the contract, it was
decided to proceed with Phase II. However, the contractor stated that,
in the light of his experience in prosecuting Phase I, he could not
attempt Phase II without a renegotiation of the price. This negotiation
period lasted for one year, and work on Phase II was started in April
1970. The total contract price was increased to with an
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additional period of performance of 22 months. Once again, for the pro-
tection of the government, Phase II was divided into three milestones
with the prosecution of each of the latter two contingent upon success-
ful completion of the previous. Milestone I would be devoted to the
Optical and Opto-Mechanical Final Design, Milestone 2 to a Complete
Optical Bench Test, and Milestone 3 to Fabrication of the prototype.
Milestone I was completed on 19 February 1971 and we are now reviewing
the contractor's report on this portion of the work.
The configuration of the instrument has changed somewhat; the upper
structure now having an open rectangular shape, when viewed from the top,
and resting on four columns rather than three. Also, the field lenses
have been incorporated into the objective lens turrets, thus eliminating
the carrousels. The lens turrets are now mounted in a horizontal plane
rather than the tilted plane shown.
Slide 7
RESOLUTION IN OBJECT PLANE
(Lines/mm - On Axis - 4% Response)
System Mag.
180X
95X
20X
10X
Development Obj.
1048
737
189
100
*Phase I Design
1225
766
209
107
*Phase II Design
1280
770
260
135
* = Without Anamorphic Magnification
Narration
Resolution values in the object plane in lines/mm, on axis, and at
4% response (the minimum detectable by the eye) are shown for four
system magnifications and at three distinct points in the evolution of
the instrument. The magnification powers shown were selected to give
performance indications of the four objective lenses. Anamorphic magni-
fication effects could not be included in the values shown due to the
inability of the computer to handle the tilted surfaces inherent in
such systems. Even though the resolutions of the Phase II (final) design
may ultimately be slightly less than the values shown due to minor degra-
dations by the anamorphic elements, it is expected that they will still
exceed the requirements written into the development objectives.
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Based on our review of the Milestone 1 optical report, as well as
a review by our consultant, of the University of Rochester, 25X1
we have decided to proceed with Milestone 2 -- the optical bench test.
Slide 8
Narration
The budgetary production cost data shown was furnished by the
contractor on 30 July 1970 with a warning to use this information
cautiously, since they were not far enough advanced in the design to
make accurate predictions.
Using a per unit cost figure and a production model
availability sometime in the early part of 1973, we request that you,
the various members of EXRAND, furnish us very informal estimates of
the quantities of the production version of the Wide Field High Power
Anamorphic Stereoviewer which your respective activities plan to
purchase in FY-73 and/or later years. We will not hold you to these
quantities. We merely need them for production planning purposes.
It should be noted, however, that substantial savings may be realized
through a unified purchase.
In order to insure timely use of this information, we request
that it be forwarded to us on or before 1 July 1971. Transmittal
may be through the EXRAND Executive Secretary or direct to me at
this address.
Slide 9
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Declassified in Part - Sanitized Copy Approved for Release 2012/10/24: CIA-RDP79B00873A001800020076-1
Declassified in Part - Sanitized Copy Approved for Release 2012/10/24: CIA-RDP79B00873A001800020076-1