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How does the eye work?

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...

How to achieve optimal lens and image sensor matching

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

Deep Thoughts: How Depth of Field Impacts Images

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...

Why is the chief ray angle important?

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...

How to ensure your lens designs are manufacturable

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

What the f-number!

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...

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DAN GRAY

Passionate about optics and product development

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This is a blog covering topics in optics, photonics, product development, engineering, project management and leadership. I started this site with the goal of offering readers a glimpse into my thoughts and experiences. Take some time to explore the blog and see for yourself what makes you curious and eager. Read on and enjoy!

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©2023 by OpticsDan

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