Magalasi a Aspheric cylindrical nthawi zambiri amakhala a semi-cylindrical. Poyerekeza ndi magalasi, magalasi a cylindrical amalumikiza kapena kusiyanitsa kuwala kwa chochitikacho motsatira mzere wa focal m'malo mwa focal point, komwe kumagwiritsidwa ntchito kwambiri m'mafakitale ndi m'magawo ambiri monga zida zowunikira, zida zojambulira zithunzi, kulumikizana kwa kuwala, kujambula zamankhwala, kukonza laser ndi zina zotero. Amaphatikiza zabwino za magalasi a aspheric ndi magalasi a cylindrical, ndipo amapereka chida champhamvu kwa opanga kuwala kuti akonze bwino magwiridwe antchito a dongosolo la kuwala, kuchepetsa kusinthasintha ndikuwongolera mtundu wa kujambula. Magwiridwe ake a kuwala amagwirizana ndi zinthu. Magalasi a aspheric cylindrical agalasi amagwiritsidwa ntchito kwambiri m'makina owunikira ndi zida zamankhwala chifukwa cha magwiridwe ake abwino kwambiri a kuwala komanso kulimba.
Kutalika kwa mafunde kwakhala kukuyang'ana kwambiri pakupereka zinthu zowunikira zolondola kwambiri kwa zaka 20.