1592954037000 1312632483000 term-84637 1616539444926 1312632582000 1608596087735 adlib fitz-online adlib-term-84637 a11e5830-afd5-380c-8ebf-51f4768ae85f 2 1 scope note Lenses which are constructed to allow continuously variable focal lengths within a specific range. The effective aperture and focus settings remain unchanged throughout such adjustments. LANG reference term-84636 adlib-term-84636 c7ebd58e-de7f-3abb-a5a2-dcafc4a24e75 zoom lens V.TH.AFU.AXC.DZW.BIQ.AFU.ALO.BCW.BOK 1 code V.TH.AFU.AXC.DZW.BIQ.AFU.ALO.BCW.BOK 1 zoom lenses reference term-84631 adlib-term-84631 e97501de-5c55-32b4-9eae-fe914f41ee73 photographic lenses zoom lenses term