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...
Is this the highest-performing ultra-wide-angle RF zoom lens available? No. Is this the smallest, lightest, and most affordable ultra-wide-angle RF zoom lens available at review time? Yes, and the Canon RF 15-30mm F4.5-6.3 IS STM Lens is the right choice when those factors are the mo...
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。...
wideanglelens行车记录仪说明书 (1)长按电源开关键开机成关机。行车记录仪连接充电器时,DVR自动开机,断开充电器时,延迟5秒自动关机。 (2)录像模式DVR开机后会自动进入录像状态。录像招示符号闪烁。录像时。按OK键停止。注意:使用前请先播入SD卡。 (3)拍照模式开机后按模式塘选择拍脱模式.按OK键进行拍用。 (...
高品质58mm数码相机广角附加镜头 WIDE ANGLE LENS的文档下载: PDF DOC TXT 关于丹阳市林兴光学有限公司商铺首页 | 更多产品 | 联系方式 | 黄页介绍 主要经营:数码相机镜头 ; 滤色镜 ; 转接管 ; 转接环 ; 天文望远镜 ; 双筒望远镜 ; 光学透镜 丹阳市林兴光学有限公司位于沪宁铁路陵口镇,南邻312国道,北靠沪宁...
58MM 0.43x Batmax Professional HD Wide Angle Lens (w/Macro Portion) for Canon EOS Rebel 77D T7i T6s T6i T6 T5i T5 T4i T3i SL2 60 Interface Type: Canon Canon Product sellpoints Compatibility with 58MM Lenses:Designed for a wide range of Canon EOS Rebel cameras, this lens fits securely...
Fit it all in the frame with a wide-angle lens. A wide-angle lens has afocal lengthof 35mm or shorter, which gives you a wide field of view. The wider your field of view, the more of the scene you’ll be able to see in the frame. These lenses are ideal for many scenarios, an...
你的这个是广角附加镜，0.45倍，就是加上后，焦距要乘以0.45倍。等于是扩大了视角，更广了。但是会影响画质，如果不是必须要，最好别加这个东西。品牌是雅西卡，这个东西不值钱的，一两百块钱。还不知道是不是山寨的。
Yongnuo 35mm lens YN35mm F2.0 lens Wide angle Fixed/Prime Auto Focus Lens For Canon 600d 60d 5DII 5D 500D 400D 650D 600D 450D Features: View-angle Coverage: Diagonal 63 Degree/Vertical 38 Degree/Horizontal 54 Degree. Lens Structure:5 sets, 7 pieces ...