A progressive lens design is like a bi- or tri-focal lens in that it corrects more than one vision problem at a time. However, these lenses have no visible lines, improving the cosmetic appearance of ...

Solid support We limited our testing to lenses from brands with a reputation for reliability, trustworthy warranties, and good customer service. Useful focal length We prioritized certain types of ...

In the second example, the researchers designed a flexible space telescope. With totimorphic lattices, the telescope could change its focal length by adapting the curvature of its lens.

Eyeglasses that can adapt on the fly to different focal needs is important because ... is fluid filled and the front of the lens is a clear flexible membrane, but the rear of the lens acts ...

After more than five years without releasing a new photography lens, Zeiss has finally broken its silence. The legendary optics manufacturer has taken to social media to tease a brand-new lens – and I ...

The quality of the lenses is a critical factor for creating high-resolution thermograms. For this reason, InfraTec offers an ...

Tamron Co., Ltd., specialised manufacturer of optics and one of the leading companies in the security / surveillance equipment industry announces the launch of a Vari-Focal lens 1/3” 5-50mm F/1.6 ...

Rainbow CCTV have launched a new vari-focal lens with a focal length of 5-50 mm. This extended range effectively substitutes 3 standard lenses (5-40 mm, 6-39 mm, 8-51 mm) making the lens more ...

Tokina has announced its first-ever wide angle zoom lens for Fujifilm X-mount cameras. The atx-m 11-18mm F2.8 X joins ...