A VARIABLE-RANGE SIMULATOR

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Abstract:

A variable-range viewer for use with binocular and terrestrial telescopes was devised to enable small test charts to be vi fed in the laboratory under well-controlled, realistically simulated outdoor conditions. Object distances from 2 to 20 miles are covered by 4eans of a variable magnification optical system. Contrast attenuation by the atmosphere is introduced automaticalloy as the simulated range is changed. Provision was made for presetting any desired meteorological range from 2 to 100 miles. Author

Author(s):
Silvernail, Chester J.
Author Organization(s):
DUNTLEY (S Q) LA JOLLA CALIF
Pagination:
0001

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release

RECORD

Collection: TR
Identifying Numbers
Report Number(s):
1 3
Contract/Grant Number(s):
NOBS72039
 Subject Terms
Communities of Interest:
No COI(s) Identified
Descriptor(s):
*COLLIMATORS, *OPTICAL EQUIPMENT, *RANGE(DISTANCE), BINOCULARS, SIMULATION, TELESCOPES, TEST EQUIPMENT
Report Date:
1958 Jun 21