NASA NTRS · 19760000590
Visual projection reticle
Abstract
Small lightweight device visually superimposes visual-sensitivity and response contours on displays and instrument panels. Optical system provides 45 deg arc/diameter field of view; however, special wide-angle optics can be substituted without significant size or weight penalty.
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Haines, R. F.. 1977-03-01. Visual projection reticle. https://ntrs.nasa.gov/citations/19760000590
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