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 ...

Explore the role of custom UV objectives and how they enable precision imaging and laser delivery in quantum research systems ...

If seeking a pair of binoculars of such quality that I can pick out individual feathers in the tuft of a crested duck and get a searingly sharp, almost three-dimensional view as I pan with them, then ...

From the fall supermoons to planets and beyond, these large astronomy binoculars are ideal for viewing the night sky up close — find your next pair ahead of Black Friday. When you purchase through ...