right angle telescope

On that occasion twelve wide-angle telescopes were set up.

在这一天，他们架起了12座广角望远镜。

periscope binoculars

潜望镜式双筒望远镜

S： Yes, some of them include a built-in zoom lens with wide-angle and telephoto settings.

可以，有些自动机具备广角镜及远摄镜功能的内置变焦镜。

long focus lens

长焦距（望远）镜头

Theoretical Calculation of the Field-of-view Rotation Angles for the 1.2m Altazimuth Telescope in the Yunnan Observatory

1.2m地平式望远镜视场旋转角的理论计算

ultra-low-expansion mirror telescope

超低膨胀率镜望远镜

a binocular telescope microscope ]

双筒目]望远镜显微镜]

A binocular or field glass.

双目镜，双筒望远镜

prismatic binoculars

棱镜式双目望远镜.

The diameter of the objective of a telescope.

孔径望远镜物镜的直径

A telescopic device is used in conjunction with the prism.

棱镜与望远镜配合使用。

a small telescope attached to a large telescope to use in setting the line of the larger one.

装在大望远镜上的小望远镜。

See distant thing, with a telescope

看见远处东西，用望远镜

watch from a distance through binoculars

用双筒望远镜观看远处.

the ability of a microscope or telescope to measure the angular separation of images that are close together.

显微镜或望远镜能够测量靠得很紧的像的角度的能力。

an instrument for measuring horizontal and vertical angles, consisting of a small tripod-mounted telescope.

由固定的三角架望远镜组成的用来测量水平和垂直角的装置。

Binoculars, telescope, microscope, photographic camera and equipment.

双筒望远镜，望远镜，显微镜，照相机及附属品。

a reflecting telescope with an off-axis reflector.

带有远轴反射镜的反射望远镜。