Sentence examples for lens focal length from inspiring English sources

A working value for the magnifying power of a lens can be found by dividing the least distance of distinct vision by the lens' focal length, which is the distance from the lens to the plane at which the incoming light is focused.

Assuming the lens focal length to be f, we will derive the angle of the grooves based on Snell's law.

At the same time, additional tunability of the lens focal length can also be easily obtained with this design concept.

A parametrical study was performed to characterize the effects of the flow velocity, equivalence ratio, and lens focal length on the minimum energy required for ignition.

The functional relations between the thermal lens focal length and the beam spot size for a plano-concave stable resonator have been calculated numerically.

In our experiments, we use a custom made RBL, which consists of a central plano-convex lens (focal length 400 mm), and a "biplane ring-shaped lens" having infinite focus.

"To really get a sense of the park, we'd need to insert tiny lipstick cameras throughout the model, with the proper lens focal lengths to represent the height of people.

Combinations of baselines and lens focal lengths were optimised to adjust the field of view of a stereo camera to provide the two fundamental perceptions required for intelligent vehicles: safeguarding distances around 6 m and look-ahead distances up to 20 m for automatic guidance.

Experiment with lens filters, different lens focal lengths, and unusual camera angles to get unique effects.

It has lenses, focal length, focus, F-stop, distortion, depth of view and everything.

Each stereo-vision DIC system consisted of two 8-bit CCD cameras (AVT F201 B; 1628 px (times ) 1236 px resolution) with wide-angle lenses (focal length equal to 12 mm) mounted on a tripod.