用eyepiece造句子，“eyepiece”造句

Looking through the eyepiece you will see two black circles.

After focusing, slip the viewfinder Cap. attached to the strap over the viewfinder eyepiece as necessary.

To calculate exit pupil, divide the aperture (in mm) by the power of the eyepiece being used.

The right for the standard color, optical eyepiece with light regulation and focusing ability, easy to use.

The method to design 3D virtual helmet display optical system is presented based on the software of ZEMAX and the properties of eyepiece. A design example is given.

Schonrock autocollimating eyepiece

wide field-of-view eyepiece

large convex lens produces image that is viewed through the eyepiece.

Observation eyepiece consists of concave mirror and a separate gate is formed, in the eyepiece can be seen at the same time the two semicircle color, its left for the sample color.

When viewing extended objects, the apparent brightness seen in the eyepiece is a function only of aperture and magnification, it is not related to focal ratio.

eyepiece with micrometer

The increased image scale allows for imaging without an intervening eyepiece -- like in prime focus photography.

Having fine threads across the field of view for measuring small distances, as in the eyepiece of a telescope.

Then using another convex lens and a micrometer eyepiece the altered parallel rays is focused, and the imaging size of line pair of collimator imaged on the another convex lens is measured.

eyepiece (excl. optical elements)of any material (excl. glass) for spectacles, goggles, pince-nez

If a dioptric lens is fitted, you would not have to wear eyeglasses when taking picture. Slip the lens in the grove of the viewfinder eyepiece.

Does this extend to the edge of our eyepiece or camera field of view?

image is viewed through an eyepiece perpendicular to main axis.

No more need to make some change when photo on the focus without eyepiece since no lens on the way to focus, can use barlow too.

spiral micrometer eyepiece