Shopping Guid 购物指南

Category: Computer and Digital Digital Products

Question:
SLR What does it mean ah? What’s the use ah?

Answer:
SLR means single lens reflex, that is, slr (single lens reflex).

In this system, the reflex mirror and prism of the unique design allows the photographer from the direct observation of the viewfinder image through a lens. Single-lens reflex cameras of the structural map can be seen through the lens to reach the light reflector, the reflected to the top of the focusing screen and the images formed through the eyepiece and the five prism, we can see in the viewfinder outside interest. Shooting, when pressing the shutter button will be up pop-up mirror, films in front of the shutter curtain will open at a time, through the lens of the light (image) will be projected onto the photosensitive film on the making film, and later the mirror will immediately resume the status quo viewfinder image can be seen again. Single-lens reflex cameras such construction, to determine that it is entirely shot through a lens, and it can see in the viewfinder image and the film is always the same, its scope and the actual shooting range shooting is basically consistent, eliminating the side-axis head-up the camera viewfinder parallax phenomenon, from the perspective of learning photography is very beneficial to visually frame composition. Single-lens reflex cameras, there is a big feature is the ability to exchange lenses with different specifications.

Answer:
not a professional purposes should not foot the bill counter, that is, private individuals or families to buy things pat life can be a regular.
SLR expensive, but a lot of trouble. Most people also used well.

Answer:
is a camera in a camera using optical technology, usually for professional people to use, the average family to buy an entertainment machine on the list.

单反是什么意思啊？有什么用啊？

分类:电脑与数码 数码产品

问题:
单反是什么意思啊？有什么用啊？

回答:
单反就是指单镜头反光,即slr(single lens reflex)。

在这种系统中，反光镜和棱镜的独到设计使得摄影者可以从取景器中直接观察到通过镜头的影像。单镜头反光照相机的构造图中可以看到，光线透过镜头到达反光镜后，折射到上面的对焦屏并结成影像，透过接目镜和五棱镜，我们可以在观景窗中看到外面的景物。拍摄时，当按下快门钮，反光镜便会往上弹起，软片前面的快门幕帘便同时打开，通过镜头的光线(影像)便投影到软片上使胶片感光，尔后反光镜便立即恢复原状，观景窗中再次可以看到影像。单镜头反光相机的这种构造，确定了它是完全透过镜头对焦拍摄的，它能使观景窗中所看到的影像和胶片上永远一样，它的取景范围和实际拍摄范围基本上一致，消除了旁轴平视取景照相机的视差现象，从学习摄影的角度来看，十分有利于直观地取景构图。 单镜头反光相机还有一个很大的特点就是可以交换不同规格的镜头。

回答:
不是专业用途不要买单反,就是普通个人或者家庭拍拍生活里的事买普通的就可以了.
单反很贵,而且很麻烦.一般人也用不好.

回答:
就是照相机中一种利用光学技术的相机，通常为专业人使用，一般家庭购买一款娱乐机就行了。2006-08-25