The human eye is a complex organ and can be thought of as one of the most advanced and capable vision systems in existence. What camera...

Digital camera technology was first developed by Kodak in 1975. Since then, digital cameras have become so mainstream, that in 2022 there...

Depth of field (DOF) is a measure of the range of distances from a lens that appears to be in focus. This range varies depending on the...

What is the lens chief ray angle? The lens chief ray is the ray path from an off-axis point that passes through the center of the...

Are your lens designs coming back from suppliers as "not manufacturable"? Modern optical design software such as Zemax and CodeV are...

The term "f-number" can be confusing, but it's quite simple if you think of it in terms of its three main characteristics: image...