focal-length
基本解释
- 焦距
英汉例句
- At present, some difficulties are encountered in measurement of long focal-length of mirrors.
目前,大口径长焦距反射镜焦距的精确测量存在很大难题。 - One zoom lens can replace several fixed focal-length lensed, but results are likely to be inferior.
一个变焦镜头可以代替多个固定焦矩镜头,但效果很可能比不上。 - Using a group of mirrors and a housing that's almost big enough to use as a coffin, Canon was able to stretch the focal-length on this SLR-specific lens to 5,150mm.
佳能的这款单反相机专用折反镜头采用了一组折反镜片,以及一个跟棺材差不多大的镜身,其焦距被拓展到5150mm。 - Featuring a powerful high-magnification optical 26X super-telephoto zoom lens, the new PENTAX X-5 provides photographers with a focal length of 4mm-104mm (22.3mm ultra-wide angle to 580mm super telephoto 35mm equivalent).
ENGADGET: Pentax intros X-5 superzoom camera with 26x lens, tiltable LCD - The high-end Schneider lens offers a 24mm, ultra-wide focal length and 3x optical zoom.
ENGADGET: Samsung's PMA gifts: HD pocket camcorders, point-and-shoots with AMOLED screens - TL34HD boasts an impressive resolution of 14.7 megapixels and renowned Schneider lens yielding a 28mm wide-angle focal length with 3.6x optical zoom.
ENGADGET: Samsung gets official with 14.7MP TL34HD point-and-shoot
双语例句
权威例句
词组短语
- focal -length extender [摄]变倍附加镜头
- long focal -length telemicroscope 长焦距望远显微镜
- long -focal length lesn 长焦距物镜
- mid -focal length 中焦距
- multi -focal length 多焦距
短语
英英字典
- the distance from the focal point of a lens or mirror to the reflecting surface of the mirror or the centre point of the lens
柯林斯英英字典
专业释义
- 焦距
A new method of measuring telephoto lens focal length is presented in this paper.
提出一种新的测量长焦透镜焦距的方法。 - 焦长度
- 焦长
- 焦距
Using Gradual Aberration optimization Method, a 6m focal length, 600mm aperture off-axis aspherical optical system is successfully aligned.
采用像差逐项优化法,成功地装调了焦距为6m 口径600 mm 的离轴三反镜光学系统。 - 焦点距离
- 焦
- 震源距
- 焦距
- 焦距