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The new Sigma 28-45mm f/1.8 DG DN | Art is claimed to be the first full-frame zoom lens with a constant maximum aperture of f/1.8. Sigma says that this fast zoom delivers sharpness and clarity comparable to that of a prime lens throughout the range. Sigma has already pioneered fast zooms with the 18-35mm f/1.8 DC HSM | Art and the 25-35 f/2 DG HSM and the DN (digital native) 28-45mm f/1.8 adds to this impressive line up to join the latest lenses designed expressly for mirrorless cameras.

The debate rages on about the best camera for street photography, but Keith would argue that a discontinued gem, the Leica TL2, is a great option out on the street.

We are enjoying a wave of new camera and lens options from two powerhouse manufacturing nations: Japan and China. From reimagined vintage lenses, to innovative camera bodies, it's a great time to be in the M- and L-Mount ecosystems.

The Macfilos team share their perspectives on two recent camera releases: the Panasonic Lumx S9 and the Leica D-Lux 8.

…both for Leica, and for me personally. The first time I saw a picture of the Leica M9 (I think it was on Luminous Landscape)...

Leica has announced the launch of the D-Lux 8, a reimagined version of its entry-level camera, now drawing on design cues from its highly successful Q-series.

Panasonic takes aim at social network-savvy photographers and videographers with the new Lumix S9, a compact, full-frame, L-Mount camera.

The sensor resolution of modern digital cameras continues to grow, but at what point will they exceed the resolving power of the human eye?

The story of T.E. Lawrence, Lawrence of Arabia, continues to fascinate 89 years after his death. He died in a motorcycle accident while riding his cherished Brough Superior SS100 on 29 May 1935.

In the fourth article of his series on street photography, Keith has a close look at a mathematical strategy for creating balanced compositions. What does a formula described by a 13th century Italian mathematician have to do with taking pictures?

The second-generation Sigma 24–70 f/2.8 DG DN |Art zoom is launched today. It promises improved optical performance and a welcome ten percent weight reduction with a seven percent size bonus...

Two new Fujifilm cameras, the GFX100S Mark II and the X-T50 are announced today. The medium-format GFX features a 102 megapixel sensor, which is approximately 1.7 times larger than a 35mm full-frame sensor. In, the new X-T50 is a true lightweight at 438g.

Photo fair season is upon us. We preview the forthcoming Photokina and Bievres fairs. We also have news of a new Fujifilm House of Camera in London and a detailed look at how the human eye works.

Here are are my Top 10 favourites in the next Leitz Photographic Auction. I could have shown any number of black or olive-paint Leica M cameras, but these are always there, and they always sell well. I have tried to depict the many steps along the way for cameras and optics since the 1850s

What is more important for a zoom lens: range or aperture? Read a few answers to these old questions - and a suggestion that opens even more options...