PROGRESS REPORT FOR VERSATILE, HIGH PRECISION STEREO POINT TRANSFER DEVICE

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP78B04747A002200010027-8
• Release Decision: RIPPUB
• Original Classification: K
• Document Page Count: 6
• Document Creation Date: December 28, 2016
• Document Release Date: June 22, 2006
• Sequence Number: 27
• Publication Date: January 17, 1966
• Content Type: REPORT

PROGRESS REPORT
For
VERSATILE, HIGH PRECISION STEREO
POINT TRANSFER DEVICE
Period Covered:
December 1965
Dated:
17 January 1966
Job No.:
#552, #552A
Document No.:
OD-276
DDR-DUPE
Approved For Release 2006/06/22 : CIA-RDP78B04747AO02200010027-8
 Approved For Release 2006/06/22 : CIA-RDP78B04747A002200010027-8
Progress Report 552 & 552A for December 1965
This month's work has been centered in studying, re-
designing, and reworking the laser optics and fabrication com-
ponents for Encoder and installation in the Point Transfer Device.
Stereo Viewer #552A, Serial No. 102, was delivered and installed
early in December.
OBJECTIVE ASSEMBLIES
The problems of image color and marking size is the
effort here. To improve image color the present dichroic beam
splitter is being reworked with neutral coating of near 50%-50%
reflection and transmission properties. Although this approach
will reduce visual and laser image brightness by 30%, color bal-
ance of visual image will be most effectively preserved. To
compensate for laser optical path losses mark image size will be
reduced 30%. The motions to change laser wavelength had several
unknowns in image color and marking effects bringing further
delays to equipment delivery. Some delay is expected because of
problems in reworking beamsplitter and optics.
A companion motion here is to correct the optical set-
up determining the mark size and image quality at the film plane.
The near 1:1 magnification lens formerly used had physical inter-
ference that made sharp focusing the laser reticle impossible
when visual optics were focused on the film. When image was
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 focused by the lens in its other conjugate position image size
increased significantly to about 5/32 diameter, making laser
marking very unreliable with current laser output. By lengthening
the relay lens focal length proper mark size is obtained, but
reticle position had to be shifted by approximately 3 inches.
A part of the relay lens focal length change is the re-
design of the prismatic lens and the optics at the laser. Since
the ray geometry has been substantially altered new lenses are
required. To minimize delay of the system debugging, plastic
lenses will be temporarily used while their glass counterparts
are being made.
The main plate will be modified and optics reassembled
during the next reporting period. Sample of film marks will be
forwarded during that period for inspection.
ENCODER - COUNTER SUBSYSTEM
All preliminary work of design, material ordering has
been completed. Fabrication of switch/connector coupler and the
small sloped front cabinet with associated mounting hardware should
be completed early in next reporting period. Delivery of
cabinets is seriously delayed with delivery in late February or
March. To overcome this upset, present cabinet will be substituted
and delivered with system, if necessary.
D
Wiring is being delayed because of noise tests
has recommended we make to prevent counting errors.
though recommended shielded wire is being used, we want to be
certain the long lengths required will not require mounting the
15EL44 models next to the encoders.
WORK FOR NEXT REPORTING PERIOD
1) Continue debugging 552, Serial 101.
-2-
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STAT
STAT
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Enclosures
1) CD-143 and CD-144
2) Financial Statement
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 Approved For Release 2006/06/22 : CIA-RDP78B04747AO02200010027-8
6 December 1965
552 - CD-144
WWB:rf
5---
Purpose of this visit was to.recheck system with corrections
and to introduce RB to system. Except for image rotation, left
channel jammed, and was later satisfactorily repaired.
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 6 December 1965
552 - CD-143.
WWB:rf
The following were customer' comments during the plant
acceptance. S ` a_; . r
1) Left - Y counter drops counts at lower speed ranges
(check rotopulse action, magnetism of cover).
2) Loop forming rollers jam upon return up vertical
flight (slip 1 tooth of coupling gears. May require resetting
switch).
3) Vacuum holddown OK but has leak outer left.
Stated new manifolds and platens are to be installed on machine
at delivery.
4) Spool brakes appear to lag.
5) Eyelenses do not accommodate a very near sighted
person (a step on eyelens barrel prevents this adjustment).
6) Obstacle appears in right upper field - 11 o'clock
Obstacle appears in left upper field - 1 o'clock
7) Correct penta mirror alignment, dot superimposed,
and lens centering.
Correct runout (2) rollers left side.
9) Customer sees no problem that would prevent delivery
7 December 1965.
All of the above were corrected the evening of 2 December
1965.
Approved For Release 2006/06/22 : CIA-RDP78B04747A002200010027-8