Coherent (COHR) introduces a new high-power F-theta lens for additive manufacturing, EV battery welding and laser cleaning. The new lens ...

Researchers introduce a cost-effective method for producing optical Fresnel zone plate lenses, using colored photoresists for ...

The two lenses are mostly identical, though there are some noteworthy differences. Naturally, the lens Cosina had to adjust each model to account for the different mounts, resulting in slightly ...

Paper-thin optical lenses simple enough to mass produce like microchips could enable a new generation of compact optical devices. Researchers have fabricated and tested flat lenses called Fresnel ...

Heroes Down Under" episode of "A Real Bug's Life." (National Geographic/Rob Morgan) Using specialized macro lenses, the crew captured millimeter-level details, from the glint in a spider’s eye ...

Most lenses have a variable aperture ... And at very narrow apertures, an optical distortion called diffraction becomes visible, which will soften even areas of sharp focus. Generally avoid going ...

Gunnar appeared at CES 2025 in Las Vegas this week, as they showed off several lenses and frames for their 2025 lineup. Some of the big additions for the company are Venure lenses with E-Shift ...

OM System's CEO has announced that the company is working on a new camera and lenses. In a post titled "New Year Greeting and Prospects for 2025" that went up on Monday morning, Shigemi Sugimoto wrote ...

f/5.6 is, in most situations, the narrowest aperture that produces a large depth of field before stopping down further begins to introduce diffraction. What’s impressive with the lens is that ...