As you begin trying into larger finish evening imaginative and prescient, you’ll usually be requested to decide on between equipping your machine with both a picture tube that presents you with a inexperienced monochrome picture (inexperienced phosphor) or a black and white monochrome picture (white phosphor). Deciding which of those two choices to decide on has not too long ago turn out to be a scorching subject of debate.
To attempt to offer you a greater understanding of the distinction between the 2 show modes, right here’s a fast abstract of a few of the analysis that’s been finished that compares and contrasts the usage of inexperienced and white phosphor screens in evening imaginative and prescient units (NVDs) for army and aviation purposes.
The primary examine, performed by the US Military Analysis Laboratory and printed in PubMed, concerned simulated fight situations the place each inexperienced and white phosphor screens had been used. The examine concluded that each kinds of screens had been efficient in offering the mandatory degree of imaginative and prescient for the duties at hand, with no vital distinction in visible efficiency discovered between the 2.
The second examine, printed within the Proceedings of SPIE, evaluated the efficiency of NVDs with inexperienced and white phosphor screens in a gunfighting course. The examine discovered no vital goal efficiency variations between the 2 kinds of screens, suggesting each present satisfactory imaginative and prescient.
The third examine, printed in AIN On-line, in contrast the usage of inexperienced and white phosphor screens in aviation operations. The examine discovered that white phosphor offered superior distinction and coloration rendering and brought about much less eye pressure. Nevertheless, it’s dearer and never as extensively out there as inexperienced phosphor.
So which do you have to select? Nicely, the research recommend that each inexperienced and white phosphor screens supply efficient ranges of imaginative and prescient for army and aviation purposes. The selection between the 2 will rely in your particular wants and price range constraints. Whereas white phosphor is superior in sure features, it will not be the sensible possibility for all customers.
References:
J. R. Bergen et al., “Visible efficiency with inexperienced and white phosphor evening imaginative and prescient goggles in simulated fight situations,” Utilized Optics, vol. 61, no. 36, pp. 8501-8511, 2022. https://www.ncbi.nlm.nih.gov/pubmed/34787060
R. A. MacLachlan et al., “Efficiency of inexperienced and white phosphor evening imaginative and prescient goggles throughout a gunfighting course,” Proceedings of SPIE, vol. 11159, 111590K, 2019. https://www.spiedigitallibrary.org/conference-proceedings-of-spie/11159/111590C/Influence-of-phosphor-screen-color-on-performance-with-modern-night/10.1117/12.2532485.short
M. Grady, “The newest on evening eyes: White-phosphor NVGs,” AIN On-line, Sep. 2015. https://www.ainonline.com/aviation-news/business-aviation/2015-09-21/latest-night-eyes-white-phosphor-nvgs
Trending Merchandise
