COMPARISON ENLARGEMENTS

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP78B04747A002200040001-3
• Release Decision: RIPPUB
• Original Classification: K
• Document Page Count: 23
• Document Creation Date: December 28, 2016
• Document Release Date: July 7, 2003
• Sequence Number: 1
• Publication Date: December 1, 1964
• Content Type: PHOTO

Approved For Release 2003/08/05 : CIA-RDP78604747A002200040001-3
December, 1964.
STAT
COMPARISON ENLARGEMENTS
This binder contains enlargements made at 10X on the
10-20-40 enlarger and at 4X on the coherent enlarger.
Each sheet is readily removable for examination on a
light table.
DECLASS REVIEW by NIMA/DOD
Approved For Release 2003/08/05 : CIA-RDP78604747A002200040001-3
Approved For Re
fist4
ENCLOSURE No. 1
The accompanying book (AttachMent 1A) contains 4X enlargements
of aerial photographs made on the Coherent Enlarger andcomparative 10X
enlargements made on the 10-20-40X enlarger.
Our evaluation is summarized as follows:
No. of Extra
Scene
Enlarger
Resolution Resolution
Groups Resolved
on Coherent
Coherent
0 7
10-20-40X
(0.N.)
0 6 ,
0 9
1/2
2
Coherent
4 8
10-20-40X
3 6
-11/2
(0.N.)
4 , 8
3
Coherent
2
10-20-40X
9 4
1
(0.N.)
-) 6
Average No. of Extra Groups
Resolved on Coherent.
Percentage Improvement
Obtained with Coherent
Enlarger.
In addition,
there are aerial scenes enlarged on each
instrument for comparison.
5? i 8804747AQ022000400013
Approved For Release 2003/08/05 : CIA-RDP78604747A002200040001-3
Approved For Release 2003/08/05 : CIA-RDP78604747A002200040001-3
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E?i 4-1
PC.