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,大口逕長焦距反射鏡焦距的精確測量存在很大難題。 - One zoom lens can replace several fixed focal-length lensed, but results are likely to be inferior.
一個變焦鏡頭可以代替多個固定焦矩鏡頭,但傚果很可能比不上。 - 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.
佳能的這款單反相機專用折反鏡頭採用了一組折反鏡片,以及一個跟棺材差不多大的鏡身,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
雙語例句
權威例句
词组短语
- focal -length extender [攝]變倍附加鏡頭
- long focal -length telemicroscope 長焦距望遠顯微鏡
- long -focal length lesn 長焦距物鏡
- mid -focal length 中焦距
- multi -focal length 多焦距
短語
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.
提出一種新的測量長焦透鏡焦距的方法。 - 焦長度
- 焦長
- 焦距
Using Gradual Aberration optimization Method, a 6m focal length, 600mm aperture off-axis aspherical optical system is successfully aligned.
採用像差逐項優化法,成功地裝調了焦距爲6m 口逕600 mm 的離軸三反鏡光學系統。 - 焦點距離
- 焦
- 震源距
- 焦距
- 焦距