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。 (...
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, and most photographers have at least one trusty wide-an...
Wide Angle lens DRONE FILTER Action5Pro/4/3 Filter DJI Pocket 3 ND Filter DJI AIR3S FILTER Down to see more CINE FILTER for more CAMERA FILTER for more LENSES for more DRONE FILTER for more Down to see more 150MM foreground blur feather filter...
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。
B: Wide-angle lenses(>35mm) C: Ultra-wide-angle lenses(>24mm) 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 ca...
A wide-angle lens has a three-group configuration in which a plastic aspherical lens is used in the first lens group on the enlargement side, and predetermined conditional expressions concerning focal lengths of individual lenses constituting the first lens group are satisfied, whereby image quality ...
1. 130 degree viewing angle. 2. PC or PMMA convex mirror with cap. 3. Excellent visibility. 4. Super Strong HOLD HOOP bracket. 5. Zinc Plate Steel Fittings. 6. Mirror Edge with Aluminum Circle. 7.High quality lens with durable hardboard backing makes it suitable fo...
Wide-angle wet lenses are the key to capturing those dramatic images of reefs and large animals underwater. Without a wide angle lens, you would have to move so far away from your subject to get it in the frame that your image will look washed out and blue. Wide angle lenses allow ...
High definition 13megapixels webcam:13MP USB Camera;Fixed focusl lens:No distortion lens,100 degree;Sensor:CMOS IMX214 (1/3);Resolution:3840*2880;Free Driver:Plug and play;Mini Camera:38*38mm;Support OS:Windows, Linux,Android, Mac-OS;USB2.0 High Speed:U