focal-length

常見(jiàn)例句

At present, some difficulties are encountered in measurement of long focal-length of mirrors.
目前，大口逕長(zhǎng)焦距反射鏡焦距的精確測(cè)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(gè)變焦鏡頭可以代替多個(gè)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(jī)專用折反鏡頭採(cǎi)用了一組折反鏡片，以及一個(gè)跟棺材差不多大的鏡身，其焦距被拓展到5150mm。

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The high-end Schneider lens offers a 24mm, ultra-wide focal length and 3x optical zoom.
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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.
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