A 35-millimeter lens cap

35毫米的透视镜盖

属类：综合句库--

Turn the lens in the direction shown by the arrow until it clicks into place

按箭头方向旋转镜头直到听见咔嗒声。

属类：产品说明书-照相机说明-

Attach the infrared filter and focus on the subject. Read the indicated distance off the lens barrel.

按上红外线滤光片,对拍摄景物对焦,请读出镜头筒指示的距离。

属类：产品说明书-照相机说明-

Set the lens aperture to the aperture value designated by the flash unit according to the ISO setting your camera.

按照您相机上闪光装置ISO设置,设置好镜头的光圈大小。

属类：产品说明书-照相机说明-

Align the red dot on the camera with the red dot on the lens and mount the lens on the camera.

把镜头上的红点与相机上的红点对准,把镜头固定在相机上。

属类：产品说明书-照相机说明-

Opacity of the lens or capsule of the eye,causing impairment of vision or blindness.

白内障眼球晶状体或眼膜的不透明,能引起视力损伤或失明

属类：综合句库--

Don't let anything obstruct the lens .

别让任何东西挡住镜头。

属类：综合句库--

Don't obstruct the lens with your fingers.

别让手指遮住镜头。

属类：综合句库--

Don't forget to focus the lens .

别忘了调节镜头的焦距。

属类：综合句库--

The principal points of a thin lens coincide at the center of the lens

薄透镜的两个主点与透镜中心相重合。

属类：综合句库--

a periscopic(al)lens

大角度的镜头

属类：综合句库--

A single lens in a pair of glasses;a monocle.

单片眼镜一对眼镜片中的一个单透镜;单片眼镜

属类：综合句库--

When you use a small aperture (large number aperture setting)with a lens such as a zoom lens, half of the split image becomes dark. In this case, use the matte screen to focus.

当您使用变焦镜头并选用小光圈(大光圈数值)时,分裂像一半是黑的,这时可用磨砂屏对焦。

属类：产品说明书-照相机说明-

Adjust the focus ring on the projection lens

调节投影镜头上的聚焦环

属类：产品说明书-操作图示-投影机

Set the camera lens

调整照相镜头

属类：综合句库--

An instrument for examining the interior of the ear,especially the eardrum,consisting essentially of a magnifying lens and a light.

耳镜,检耳镜检查耳内部(尤其是中耳)的仪器,主要包括一个放大镜和光源

属类：综合句库--

magnifying glass lens ,not optically worked

放大镜镜片,未经光学加工

属类：物品名称-一般商品-玻璃制品

Varying slightly from sphericity and having only slight aberration,as a lens .

非球面的与球状体略微不同,只有很小偏离,如镜片

属类：综合句库--

Due to accurate optometry and fine grinding of lens , this shop attracts many customers.

该店眼镜,验光准、磨制精,众多顾客慕名而来。

属类：综合句库--

This optical instrument factory makes lens with accurate optometry and fine grinding.

该光学仪器厂的镜片制作,验光准、磨制精。

属类：综合句库--

Higher plant chloroplasts are approximately 5-10 m long and are most frequently lens shaped in section

高等植物的叶绿体长约5--10μm,其切面最常呈透镜状。

属类：综合句库--

Set the lens aperture to the aperture value designated by the flash unit according to the ISO setting of your camera.

根据您相机的ISO设置并按闪光灯要求的光圈数值来选好您相机的光圈大小。

属类：产品说明书-照相机说明-

retrofocus lens = inverted telephoto lens

广角镜头之一种,扩大后组焦距的设计

属类：行业术语-摄影-

To simulate such a movement,as by means of a zoom lens .

好像用变焦镜头推近或拉远

属类：综合句库--

Alternatively, we can image that the incoming wave is diffracted by the object and the resulting diffracted wave is then diffracted again by the objective lens

换一种方式,我们可以这样想象:入射波被物体反射,所得到的衍射波再一次受到物镜的衍射。

属类：综合句库--

It was barely visible even through a strong lens .

即使通过高倍透镜也几乎看不见它。

属类：综合句库--

Check if lens cap is mounted

检查镜头盖是否摘下

属类：产品说明书-操作图示-投影机

Set to the desired lens aperture.

将镜头光圈调到您所希望的大小。

属类：产品说明书-照相机说明-

Set to the desired lens aperture. If the aperture is set to “P” or “A”, turn the aperture ring while pressing the “P” or “A” lock pin.

将镜头光圈调到希望的大小。如果光圈要调到“P”或“A”,请按住“P”或“A”锁定栓的同时转动光圈环。

属类：产品说明书-照相机说明-

The focal length differs with the thickness of the lens

焦距长底随透镜的厚度而变化。

属类：综合句库--