The Viltrox AF 50mm F2 Air ($199) is a value-priced standard prime lens that doesn't make a lot of sacrifices. The prime is ...

The Panasonic Lumix S1RII is the new king of the L-Mount Alliance, complete with a display system that can Flip, Fold and Twist.

Sony and Sigma might have some tough competition on their hands with Viltrox's affordable pro lens that doesn't scrimp on the ...

Kit choices combined with a mono mindset and the understanding of B&W color theory can boost image quality on a budget ...

C is from an extensive range of compact and lightweight ‘I-series’ prime lenses in Sigma’s Contemporary line-up ...

In a conversation with Sigma CEO Kazuto Yamaki, we talked about the philosophy of 'beautiful foolishness' and the design ...

After testing the new Sigma 70-200mm F2.8 DG DN lens, I was genuinely surprised—here’s why. From image quality to build and ...

Sigma CEO Kazuto Yamaki talks about the state of the camera industry and shares an update on the company's full-frame Foveon ...

Chinese budget lens manufacturer 7artisans has just released a new version of its 50mm f/1.8 prime lens for full-frame ...

Most photographers would agree: a 50mm lens is a great addition to your lens collection. The 50mm focal length has always been popular, and 50mm lenses tend to be cheap, lightweight and small. There ...

Prime optics famously offer faster maximum apertures than zoom lenses. This allows photographers to shoot at faster shutter ...

\(power \ of \ a \ lens \ (D) = \frac{1}{focal \ length \ (m)}\) A lens has a power of -3.33 dioptres. Calculate the focal length and state what type of lens it is.