Over on YouTube [Applied Science] shows us how to make an f/0.38 camera lens using an oil immersion microscope objective. The f-number of a lens indicates how well it will perform in low-light. To ...

Mingyue Optical Lens Co. Ltd. A Mingyue Optical Lens Co., Ltd. engages in the research, development, design, production, and sales of comprehensive eyewear lenses & optometry products. It s products ...

To continue reading this content, please enable JavaScript in your browser settings and refresh this page. Preview this article 1 min Each week, we shine the ...

Lynsey Addario was born in Connecticut. Despite having no formal training she began her photography career working for the Buenos Aires Herald in Argentina in 1996. After freelancing in Latin America ...

The lens can pivot up and down and rotate 360 degrees to display an image anywhere without moving the projector’s position. The lens can pivot up and down and rotate 360 degrees to display an image ...

From magnification to light-gathering, here’s how to make the decision between buying a telescope or a monocular for stargazing and astronomy. When you purchase through links on our site, we may earn ...

Valerion launched a bunch of 4K projectors on Kickstarter last November, and went on to raise more than $10 million. Now the startup has officially released its VisionMaster Max at CES 2025, while ...

From magnification to letting in enough light at night, here's how to choose the perfect monocular for stargazing and astronomy. When you purchase through links on our site, we may earn an affiliate ...

“Dammit Wes,” a friend of mine shouted after I handed him my Swarovski binoculars for the first time. On my recommendation, he’d just splashed out $1,200 on some from another brand, and was so happy ...