A. A fixed focal length lens allows you to move between various fields of view with a single lens. B. To cover a large area and not focus on specific items, use a large lens opening. C. An auto-iris lens should be used in an area with fixed lighting. D. A shallow depth of focu...
awithin a certain shipping window 在某一运输窗口之内[translate] a绿萝 Green radish[translate] a您可以在有时间的情况下 You may in have in the time situation[translate] aGap to be greatet than 0.2mm before furnace brazing 比0.2mm造成缝隙是greatet在炉内钎焊之前[translate] ...
Concave lens forms a virtual imageand so, magnification is always positive. An object 5 cm in length is held 25 cm away from a converging lens of focal length 10 cm. Can strength of a lens be negative? The power of a lens is defined as the reciprocal of the focal length. ...Divergi...
and if a ten-ton truc and if all let you do and if he talks as lo and if i can be of an and if i dont fall th and if i should have and if i wouldn it be and if in any thing y and if she asks you w and if that wicked ma and if thats a metaph and if there remain...
aFigures 7-10 show the type of diagrams that students should draw as they collect data 图7-10展示学生应该得出图的种类,当他们收集数据 [translate] athe changes in the focal length they can describe why the in-focus image falls on the retina 在焦距上的变化他们可以描述为什么在焦点图象跌倒视网膜...
(用于否定句,表示某事肯定不真实)used in the negative for saying that you are sure sth is not true That can't be Mary─she's in New York. 那不可能是玛丽 — 她在纽约呢。 He can't have slept through all that noise. 他不可能在那种闹哄哄的环境里睡好觉。 8. (表示疑惑或惊讶)究竟能,...
粗调光路共轴:开始时不要从望远镜内部观察,应先从望远镜的上面,通过准星和缺口观察光杠杆的平面镜里是否有标尺的像。若没有,可通过调节望远镜焦距而使像最终出现在平面镜内。 Coaxiality of the light path: do not observe from the inside of the telescope at first,
It is measured in mm and can be classified into fixed focal length (found infixed lens security cameras) and variable focal length (available amongvari-focal IP cameras). The smaller the focal length, the wide field of view your security camera can see. Likewise, a larger focal length makes...
Maximum Focal Length Telescope can have
aThis allows for the design of optical systems with variable focal length that can be addressed purely electrically, as first described by Peseux and Berge [110]. 这考虑到光学系统设计以可以纯粹电子演讲的易变的焦距,如首先是由Peseux和Berge [110)描述的。[translate]...