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相对于一般的标准变焦镜头,焦段涵盖广角和长焦的18-200mm大变焦镜头有着许多普通镜头所不具备的功能优势。它们即可以依靠超大的视角用于拍摄风光、建筑,也可以通过长焦焦距将远处的物体拉近进行特写拍摄或依靠长焦所能获得的浅景深进行人像摄影创作,并且在易用性、便携性都有着明显优势。也正因为如此,18-200mm大变焦镜头也就成为了众多旅行摄影爱好者和追求轻巧方便的摄影师所钟爱的一类产品。适马最新推出的18-200mm f/3.5-6.3 DC MACRO OS HSM镜头,则是在其上代产品的基础上经过系统改进的一款全新镜头。
Compared with the general standard zoom lens, focal lengths covering wide-angle and telephoto 18-200mm large zoom lens has many common lens does not have the functional advantages. They can rely on large viewing angles for shooting scenery, buildings, you can focus on the distant objects by zooming in close-up shooting or relying on telephoto can get shallow depth of field portrait photography, and ease of use , Portability has obvious advantages. Precisely because of this, 18-200mm large zoom lens has become a favorite travel photography enthusiasts and the pursuit of lightweight and convenient photographers a class of products. Sigma’s latest 18-200mm f / 3.5-6.3 DC MACRO OS HSM lens is a brand new lens that has undergone system improvements on the basis of its predecessor.