Objektivskolan - Ordlista - AS (Nikon)

Förkortningen betyder

AS = Aspherical lens elements

Förklaring från Nikon

Nikon introduced the first photographic lens with aspherical lens elements in 1968. What sets them apart? Aspherical lenses virtually eliminate the problem of coma and other types of lens aberration — even when used at the widest aperture. They are particularly useful in correcting the distortion in wideangle lenses. In addition, use of aspherical lenses contributes to a lighter and smaller lens design. Nikon employs three types of aspherical lens elements. Precision-ground aspherical lens elements are the finest expression of lens-crafting art, demanding extremely rigorous production standards. Hybrid lenses are made of a special plastic molded onto optical glass. Molded glass aspherical lenses are manufactured by molding a unique type of optical glass using a special metal die technique.

Objektiv för Canon
Nedan visas några populära alternativ (se alla)
	Canon EF 200mm f/1,8 L USM
	Canon EF 500mm f/4 L IS USM
	Tamron AF 70-200/2,8 LD IF Di Macro
	Sigma EX 70-200mm f/2,8 II APO HSM DG Macro

Objektiv för Nikon
Nedan visas några populära alternativ (se alla)
	Sigma EX 10mm f/2,8 DC HSM Fisheye
	Nikon AF-S 70-200mm f/4 G ED VR
	Nikon PC-E 85mm f/2,8 D ED
	Nikon AF-S 58mm f/1,4 G

Objektivskolan
Våra artiklar utbildar dig (se alla)
Kameran kan påverka brännvidd
Se bilder tagna med ett visst bländartal
Vilken betydelse har autofokusmotor?
Objektivets anatomi