Unknown
Publication Date:
2019-06-28
Description:
Moving lens follows movement of object accelerated by gravity. Lenses and mirrors maintain constant magnification regardless of distance between moving optical carriage mechanism and fixed telescope. Device tracks objects up to 2 cm in diameter over vertical distance of 2 m.
Keywords:
PHYSICAL SCIENCES
Type:
NPO-14813
,
NASA Tech Briefs (ISSN 0145-319X); 5; 3; P. 306
Format:
text
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