Français | Anglais |
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focal adjectif | focal◼◼◼((medicine) limited to a small area) |
focaliser verbe | focus [focussed, focussing, focusses]◼◼◼(cause (rays of light, etc) to converge at a single point) |
confocal adjectif | confocal◼◼◼(Having the same foci) |
distance focale nom {f} | focal length [focal lengths]◼◼◼(distance) |
lunettes varifocales nom {f pl} | varifocals(spectacles) |
matrifocale adjectif {?} | matrifocal◼◼◼adjective |
objectif à focale variable nom {m} | zoom lens(lens whose focal length can be rapidly changed) |
point focal nom {m} | focal point◼◼◼((optics) a focus; a point at which rays of light or other radiation converge) |
se focaliser verbe | focus [focussed, focussing, focusses]◼◼◼(intransitive: to concentrate one's attention) |
varifocal adjectif | varifocal◼◼◼(having a variable focal length) |