COMPARISON ENLARGEMENTS

Document Type:

CREST [1]

Collection:

NGA Records (Formerly NIMA) [2]

Document Number (FOIA) /ESDN (CREST):

CIA-RDP78B04747A002200040001-3

Release Decision:

RIPPUB

Original Classification:

Document Page Count:

Document Creation Date:

December 28, 2016

Document Release Date:

July 7, 2003

Sequence Number:

Case Number:

Publication Date:

December 1, 1964

Content Type:

PHOTO

File:

Attachment	Size
CIA-RDP78B04747A002200040001-3.pdf [3]	979.54 KB

Body:

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 ci) r:4 E?i 4-1 PC.