optical zoom

If Apple ( or another smartphone supplier) figures out how to fit optical zoom into a slim smartphone then for me at least a separate camera becomes all together unnecessary.

如果苹果（或其他智能手机公司）能想出怎样在薄薄的手机里潜入光学变焦，那么至少对我来说另带一个相机就没有必要了。

The design results prove that the zoom system has high optical transmission, large zoom ratio, high resolution, small size and excellent image quality.

设计结果表明，该系统具有透过率高、变倍比大、分辨率高、体积小、像质高等优点。

A Common Used Computer Program for Gauss Optical Analyses of the Zoom System

用于变焦距系统高斯光学计算与分析的通用程序

Does this camera have optical or digital zoom?

这架相机使用的是光学变焦还是数字变焦？

Optical zoom is the real deal of the zoom will not affect the image quality of photos;

光学变焦是实打实的变焦，不会影响照片的成像质量；

The Optical Design for Micro-profile Zoom Endoscope

微形貌观测镜变焦系统的设计

Optical design of biological zoom microscope objective

生物显微镜变倍物镜的光学设计

The cam CAD system for optical zoom lens applys computer technology to design zoom lens automatically with high precision and high efficiency.

光学变焦凸轮计算机辅助设计系统是应用计算机技术，实现对变焦凸轮高精度、高效率的自动化设计。

Optical design of telescope zoom eyepieces

变倍目镜光学设计

It is controlled by RS485/ RS232 on internet, and it has the function of 100x zoom, including 10x optical zoom and 10x digital zoom.

具有10倍光学变焦，10倍数码变焦，从而形成100倍影像放大。

Establishment of Differential Equation for Optical Inverted Image Zoom and Its Application

光学转像变倍微分方程的建立及其应用

Optical design of zoom objective with optical compensation method

光学补偿法的变焦距物镜的光学设计

After the view guide mechanism capturing the related position, the utility model cooperates with the optical zoom lens unit to timely view the images in all positions.

本实用新型可由景点指引机构获得相关位置后，配合光学变焦镜头单元于源地实时观看各位置影像。

A kind of assistant software for helping build and design optical zoom system with two moving groups lens was introduced.

介绍了一种2运动镜组元变焦距系统辅助光学设计软件。

Pixels, memory, optical and digital zoom, camera size and cost are all factors to compare.

像素、存储、光学及数码变焦相机体积和成本等因素比较。

starting with a new 77-millimeter telephoto camera with 3X optical zoom,

首先全新77mm长焦摄像头支持3倍光学变焦，

Optical zoom range is 6 to 16 magnifications. Minimal distinguishable detail is about 2.5 μ m.

变焦范围6×～16×，分辨最小细节可达2.5μm左右。

and 3X optical zoom for photos and videos for a total 6X optical zoom range on iPhone 13 Pro.

拍摄照片和视频时能使用3倍光学变焦，在iPhone13Pro上，光学变焦范围则高达6倍。

Optical zoom actually gets a closer shot, while digital zoom essentially just crops an image tighter.

光学变焦可以真正得到一个更近的镜头，而数字变焦基本上只是把图像裁切得更紧凑。

It also offers22X optical zoom, power over Ethernet, and progressive output for smooth reproduction of moving objects.

它还提供了22倍光学变焦，以太网供电和移动物体平稳图像的逐步输出。

Although traditional mechanical zoom can change the magnification and adapt to changes in the shape of the actual size of the object, it demands very high in mechanical construction because mechanical optical zoom system lens group needs to be moved very precisely.

虽然传统的机械式变焦的方法能够改变放大率，适应实际物体的大小形状的变化，但是由于机械式光学变焦系统中各个透镜组的移动要非常精确，对机械构造的要求也就非常的高。

There's a26-130mm, f.3.3-5.95x optical zoom lens, a super-thin built-in flash, and one of those little orange light things that's supposed to help the camera focus in low-light.

其拥有26-130mm，f.3.3-5.95x光学变焦镜头，内置超薄型闪光灯。

It offers automatic day and night functionality, 12X optical zoom, 4X digital zoom, and autofocus.

它还具备自动昼夜转换，12倍光学变焦，4倍数码变焦和自动聚焦功能。

This paper introduces a design of the optical system of zoom stereomicroscope, whose zoom range is from 1 × to 4 ×.

介绍了变倍范围在1×～4×的连续变倍体视显微镜的光学系统设计。

According to the theory of optical compensated zoom, author designed optical compensated step zoom lenses.

根据光学补偿变焦距理论，作者设计出光学补偿式步进变焦物镜。

The new Telephoto camera has three times optical zoom for even closer close-ups.

新型长焦摄像，具有三倍光学变焦，可以拍更近的特写。

Design of Infrared Optical Zoom Lens System Based on DSP

基于DSP的红外双视场调焦系统设计

It features an ultra-long, built-in40X optical zoom and a wide-angle lens in addition to automatic focus and image stabilization.

除了自动对焦和图像稳定外，它还采用超长期、内置40X光学变焦和广角镜头。

The optical design of zoom stereomicroscope using optical compensation

光学补偿式连续变倍体视显微镜的光学设计

As an optical system, zoom lens can realize searching target in wide field, aiming and tracking in narrow field.

变焦镜头是一种可实现大视场目标搜索，小视场瞄准跟踪的光学系统。