If you're not subscribed to Preston Scott's Camera Technica blog, you should be, and here's why: This is a video shot by Scott showing the aperture blades inside an SLR lens, opening and closing in ...

Lens aperture is increasingly up there with megapixels when it comes to the camera specifications that smartphone makers like to boast about, but what exactly do those numbers mean? Here we look at ...

One thing I love about Micro Four Thirds cameras is that you can mount all kinds of lenses on them using simple, cheap adapters. In fact, I'm just about to sell my Nikon D700 because I almost never ...

You can find a detailed explanation with examples in our earlier explainer, but the executive summary of the key benefit is the ability to control the depth of field (DoF) in a photo. You can have a ...

Wigglegrams are those weird animated pictures you’ve seen that seem to generate a 3D-like effect. [scealux] had built lenses to take such pictures before, but wanted to take things to the next level.

Lens filters are an important tool for many DSLR photographers, but dealing with different diameter lenses, stepping-rings, square filter mounts and the rest can be frustrating and expensive. But now, ...

A leaker with a good track record on iPhone camera matters has backed earlier reports that the iPhone 18 Pro will get a variable aperture lens, something not yet seen in an iPhone. It’s not yet clear ...

The Hasselblad X1D changed the game for medium-format with a portable, mirrorless design, but the new body style didn’t come with as many lens options as the more established systems. Hasselblad, ...

Flat optical devices thinner than a wavelength promise to replace conventional free-space components for wavefront and polarization control. Transmissive flat lenses are particularly interesting for ...

Factors that can affect lens performance, and how to overcome them. Lens technology has come a long way over the past two decades and many photographers are prepared to invest in high-performance ...

New photographers often spend hours narrowing down the options for a camera body, but mere seconds deciding on a lens. This isn’t your fault — camera manufacturers often bundle a kit lens (or two) ...