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angular field
earth.sc.	Winkelbereich m
opt.	Bildfeld n; Bildfeldwinkel m; Bildwinkel m (coverage); Gesichtsfeld n; Objektivöffnungswinkel m; Winkelfeld n
phys.	Öffnungswinkel m
tech.	Blickwinkel m

angular field : 8 phrases in 2 subjects

Optics branch of physics	7
Technology	1