Rod Lawton

We take a detailed look at the top 20 lenses announced at the bi-annual Cologne photography fair.

Lightroom users will now be able to synchronise their adjustments with photos stored on the irista website

Photokina 2014 Photokina is the world's largest photography show and takes place every two years in Cologne, Germany. The TechRadar team was there the whole week to bring you the latest.

Photokina 2014 Red's video technology makes consumer 4K video look like amateur snaps. OK, so not everyone can afford 35,000 euros for a basic starter kit, but new tech has a habit of filtering down to consumers.

Photokina 2014 Surprisingly, the future won't consist of 100-megapixel sensors and 8K video. It'll be all about immersive imagery, capturing emotions and visual analytics.

Photokina 2014 Big sensor compacts are taking off, and Leica has joined the party with the lush-looking Leica X and its fixed focal length 35mm-equivalent f/1.7 Summilux lens.

Photokina 2014 So you thought Leica made expensive, old-style cameras that are just a little bit behind the times?

Photokina 2014 Who says interchangeable lens cameras have to be big? Panasonic's new GM5 is small, stylish and remarkably powerful

Photokina 2014 Big-sensor high-end compact cameras are gaining ground, and the Panasonic LX100 could be a mini-masterpiece

Photokina 2014 The 7D boasted 8fps shooting, high-speed autofocus, tough metal construction and full HD movies. Its replacement has a lot to live up to.

Photokina 2014 The Powershot G7 X brings a new, 20.2-megapixel back-illuminated sensor.

Photokina 2014 With its 28-megapixel sensor, weather-sealed body and 15fps shooting, the NX1 a serious stab at the big league.

Sigma's Contemporary and Sports lines have each gained a 150-600mm lens, so which one is right for you?

The Sigma 18-300mm f/3.5-6.3 is the company's longest superzoom yet, in a sector where every little increase in focal length is a little more territory gained.

Designed for full-frame (FX) Nikon D-SLRs, the Nikon 20mm f/1.8 combines a super-wide angle of view with an impressive maximum aperture.

Traditionally, you either get a flash for stills photography or a continuous light for movies… but the new Nikon SB-500 combines them in a single unit.

Pictures of you, pictures of you with your friends, pictures of you with other people's friends… the new Nikon CoolPix S6900 is a camera made for selfies

Nikon's plain-Jane D610 full-frame SLR now has a more powerful sibling, with a tilting screen, better autofocus, improved video, built-in wi-fi and more.

Ricoh's regular 'adventure-proof' WG cameras are pretty striking, but they've really pushed the kayak out with this one.

The constant f/2.8 maximum aperture and weatherproof construction give this lens professional credentials.

Owners can look forward to better focusing, better video, a high-speed electronic shutter and more.

An electronic shutter, Classic Chrome mode and 'natural' Live View are just the start

The 16-megapixel X-Trans sensor stays the same, but Fuji's top-end compact camera gets a host of other improvements.

Lomo's new medium-format film camera blends low-tech charm with a super-wide lens. It'll even fit in your coat pocket