The aim of this paper was to carry a feasible study on digital image system of direct ophthalmoscope via continuous design and improvement on optical adapter.
方法在光学实验室中,通过对光学适配器的计算与设计,完成光学适配器的构建,同时对传像光纤束、彩色数字式摄像机(CCD)像素进行不断的优化。
auto iris zoom lens
自动光圈变焦距镜头
automatic extension tube
自动延长管，自动回校光圈的延长管
aperture-priority automatic exposure camera
光圈优先式曝光量自动控制照相机
automatic bellows
自动近摄皮腔，自动回校光圈的近摄皮腔
This camera is easy to operate with the function of automatically adjusting the diaphragm and distance.
本照相机能自动调整光圈、距离，使用方便。
needle-trap automatic camera
快门先决自动相机﹝指有测光系统辅助调校光圈的相机﹞
Another exposure mode offered by the K10 D is Shutter& Aperture-Priority AE( TAv) mode, which is designed to automatically select the most appropriate sensitivity for a user-selected shutter-speed& aperture combination.
也就是说，用户选择光圈和快门，然后相机根据不同光线条件自动调节感光度以获得正确的曝光。
automatics are OK, except for special effects, or stop action.
除了拍特殊效果的照片或光圈控制外，自动照相机是不错的。
Automatic is ok, except for special effect, or stop action .
除了折特殊效果的照片或光圈控制外，自动照相机是不错的。
Automatic is ok, except for special effects, or stop actions .
除了特殊效果的照片或光圈控制外，自动照相机是不错的。
Selects the optimum shutter speed automatically according to the user-selected aperture for creative control of the depth of field.
根据选择的光圈,能自动选择最佳快门速度,以得到最好的景深效果。
Selects optimum shutter speed automatically according to the user-selected aperture for creative control of the depth of field.
根据选定的光圈,自动选择最佳的快门速度以有效地控制景深。
If the aperture is changed while an exposure value is locked in Auto operation, the camera will adjust the shutter speed to correspond to the exposure value that is locked.
如在自动操作状态,曝光值被锁定时,又改变了光圈,相机将调整快门速度已对应被锁定的曝光值。
Allow setting for the preview mode or the AE lock mode. The preview mode enables the preview of the depth of field for the selected aperture.
用于设置与景深或自动曝光锁定模式,与景深模式使您能预先对选定的光圈的景深观察。
If the aperture is set to "P" or "A", turn the aperture ding while pressing the "P" or "A" lock pin.
如果光圈要调到“P”或 “A”,请按住“P”或 “A”锁定拴同时转动光圈环。
The camera adjusts its focus, lens aperture, and shutter speed by itself.
照相机会自己调整焦距、光圈和光闸速度。
While looking through the viewfinder, focus by turning the focusing ring.
观察取景器同时转动光圈环进行对焦。
automatic high-speed track grinder for ball bearing inner ring
自动高速轴承内圈沟磨床