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的称为普通广角镜头。...
A wide-angle lens consists of a first lens, a second lens, a third lens, a fourth lens and a fifth lens from an object side to an image side, wherein refractive power of the first lens, the second lens, the third lens and the fourth lens are respectively negative, positive, positive...
A wide-angle lens provides an image that’swider than what you can see with your eyes. Wide-angle focal lengths sit in the 8mm to 45mm range. Because of the wide-angle field of view, when you look through a wide-angle lens, you’ll encounter an expansive scene. For instance, if you...
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....
广角镜头(Wide-angle lens)系视角范围为60度以上的镜头。若为35毫米规格，35毫米、28毫米、24毫米镜头，若为6*6规格，50毫米以下是广角镜头。35毫米规格，20毫米以下称超广角镜头。若为单镜生产反光用的镜头，属于反远距焦点式。与标准镜头相比，景深大和远近感得到夸张，是其特点。当室内建筑物和人物...
Standard wide-angle lenses Focal lengths from 24mm to 35mm generally get labeled as “standard.” This is a great range for getting wide shots without too much distortion. But if you want a lens that really opens up tight spaces, such as cityscapes or small rooms, you might want to go ...
Item: 3 in 1 Fish eye ,Fish eye lens ,Wide angle and Macro Lens Material Aluminum+glass+ABS Color silvery,gold,red,blue ,purple,black suitable for smart phone and tablet Manufacturer: Yes Payment Methods: T/T ,Paypal,Western union , Money Gram,etc MOQ 50pcs Lead time Within 72 hours...
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…in optical devices, such as wide-angle lenses for cameras and microscope objectives. The toxicology of germanium and its compounds is poorly defined. Read More 35mm single-lens reflex (SLR) cameraAsahiflex, a 35mm single-lens reflex (SLR) camera.(more) ...