Sentence examples for using a hemispheric lens from inspiring English sources
As an example, note that using a hemispheric lens, FOV = 90°, is the best option for those elements with orientations close to 90° and the worst when dealing with elevations near 0° (from the vertical).
Likewise, it follows that the number of elements in elevation is similar when using either a hemispheric lens or a CPC with a FOV greater than 20°.
From the resulting data, it can be observed that if a hemispheric lens (FOV = 90°) with three branches separated by 114.4° is used for the IR detector, three azimuth independent channels are available.
For FOVs from 20° to 70°, a CPC with 1.8 refractive index and 5.64-mm exit aperture were considered, while a FOV = 90° indicates that an hemispheric lens was employed.
The picture was obtained using a zoom lens.
I had been using a zoom lens, but I quickly changed it for a wide angle lens.
Microscopic images were captured using a 40× lens.
A line is formed in the back focal plane of the objective lens using a cylindrical lens (fcyl = 150 mm).
Reassemble the lens onto the fixture, using a NEW lens gasket.
Using a lens and the Sun, Jane made fire.
