apochromat

(redirected from Apochromatic lens)
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apochromat

(ˌæpəˈkrəʊmæt) or

apochromatic lens

n
(General Physics) a lens, consisting of three or more elements of different types of glass, that is designed to bring light of three colours to the same focal point, thus reducing its chromatic aberration. Compare achromat
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THE NEW Signature HD 20-60X Spotting Scope features HD lenses and an apochromatic lens system that eliminates color fringing and delivers edge-to-edge resolution at all magnifications.
The high-density extra-low dispersion glass, APO apochromatic lens system, XR Plus fully multi-coated lenses and ArmorTek on exterior lenses combine to produce high quality images.
6 DG macro (150 [pounds sterling]) is a compact, lightweight lens with apochromatic lens elements and uses a 9 blade aperture diaphragm for softer background bokeh.