广角镜头是指其焦距比标准镜头的短的摄影镜头,由于其视角范围比标准镜头广,故称为广角镜头,也称短焦距镜头。 广角镜头又分成两类:普通(小)广角镜头和超广角镜头。 对于135画幅而言,广角镜头现有的焦距范围约为14～40mm,视角范围为60~115°,其中焦距自17～21mm的称为超广角镜头;焦距自24～40mm的称为普通广
The Canon RF 15-35mm F2.8 L IS USM Lens is my go-to general-purpose wide-angle zoom lens. This lens is the right choice for a very high percentage of photography needs, from landscapes to portraits and from night skies to weddings, with most needs between covered. ...
Wide-angle lens Ranging from 16mm to 24mm, these lenses are wide without falling into fish-eye territory, where extreme stretching of the frame occurs. The sweet spot for most landscape photography lies between these focal lengths, but you can use this range for any number of everyday uses ...
A wide-angle photographic lens system comprising a front lens unit having a positive refractive power, an aperture stop and a rear lens unit having a positive refractive power or a negative refractive power; the front lens unit comprising at least one positive lens component and at least one ...
Definition of wide-angle lens noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
As wide-angle lenses also emphasiseperspective,nearby objects will appear bigger and faraway objects will appear smallerin the resulting image. This is part of the charm of a wide-angle lens, but at the same time, it may cause unwanted distortion in the image depending on the subject matter....
Detailed Wide Angle Lenses for Canon reviews, along with specs, comparisons and guides to help you make the right choice.
-- 72.5° wide-angle lens + 16x digital zoom Using a 72.5° high quality ultra-wide-angle lens, the optical zoom reaches 12x and support 16x digital zoom. -- 1080P It adopts a 1/2.8-inch, 2.07 million effective pixel high quality HD CMOS s...
A small size wide angle lens having an aperture ratio of 1 : 1.4 is disclosed. The lens consists of seven lens groups arranged to achieve the objects of brightness, small size, large aperture opening, while balancing the aberration. Application...
The present invention provides a wide-angle lens capable of obtaining a suitable negative power even when a thickness of a first lens is increased in order to increase strength agai