- concerning the magnitude of a star as measured by the measurements of its picture on an isochromatic photographic emulsion
- Of certain achromatic contacts, getting the same focus for the actinic and also for the brightest of this artistic rays.
- Having the exact same focal size when it comes to ultra-violet and also for the visible rays of the spectrum: said specifically of an objective the color-correction that is in a way that when focused because of the eye it really is similarly in focus for the photographic dish.
Sentence for "photovisual"
- A most fetching photovisual representation that…
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