令人惊讶的是它的轻便、紧凑，证明了超广角变焦镜头未必是大而重的。
Being surprisingly lightweight and compact, it proves the exception to the rule that super-wide Angle zooms have to be big and heavy.
您得到光输出从这台放映机当灯力量被设置对上流， 并且变焦镜头被设置对最大广角（最短的投掷距离为任何指定的图像大小） 。
You get the most light output from this projector when the lamp power is set to high, and the zoom lens is set to maximum wide angle (shortest throw distance for any given image size).
凡Swift的英美烟草公司提供了一个广角认为，船上钱德拉X射线天文台像变焦镜头和解决详细百倍小担任X射线望远镜。
Where Swift's BAT provided a wide-angle view, the X-ray telescope aboard the Chandra X-ray Observatory acted like a zoom lens and resolved details a hundred times smaller.
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