Why fast lenses are difficult to make

Published in Technology & Computing

Phil Rhodes is your guide to an exploration into lens optics that helps explain why fast zoom lenses are both huge and expensive.

It's all about The Look: Schneider Optics

Published in Production

While we were investigating a busy showfloor out at IBC2016, we also filmed several interviews with some of the leading companies in Amsterdam for the show, one of them being Schneider Optics.

New Hitachi 4K camera uses 2/3-inch B4-mount lenses

Published in Production

Hitachi Kokusai Electric has taken the wrappers off the SK-UHD4000, a broadcast 4K Ultra-HDTV camera system which rather importantly can use the standard 2/3-inch B4 mount lenses associated with current HD broadcasts.

In an interesting and, indeed, pioneering new move, UK broadcast hire specialist Procam has brought lens service and manufacturing facility True Lens Services with the aim of being able to not only supply more 35mm glass to the high-end TV market, but also offer a bespoke lens design service as well.

Close-up with Canon’s new 18-80mm zoom

Published in Production

We first wrote about Canon’s latest zoom when it was released last week. Phil Rhodes digs for more on the NAB showfloor and reckons it's a rather significant  release.

Affordable PL Mount lenses from Tokina

Published in Production

Those who have been awaiting the AJA Cion, and who are not made of money, may now be able to breathe a sigh of relief as Tokina has affordable new PL glass coming in April.

Replay: 4K lenses. What does that even mean?

Published in Production

In case you missed it first time round: The absolute myth of dedicated 4K lenses

Inside the Sigma 20mm F1.4 DG HSM Art lens

Published in Production

Sigma’s announcement of what amounts to the world’s first 20mm F1.4 lens for full-frame DSLRs created quite a few waves. Phil Rhodes goes surfing.

Last time, we discussed some of the technical concerns of lens selection and the issues of compatibility with sensors of various configurations and sizes. In this part, we'll look at the effects sensor size has on photography and the engineering compromises behind lenses and sensors

Canon is developing a stunning 30x 4K CMOS sensor

Published in Production

Canon’s new 250 megapixel CMOS sensor is smaller than a 35mm full-frame sensor and allows you to distinguish the lettering on an aeroplane 11 miles (18km) away. The company has some impressive new 4K broadcast lenses in time for IBC too.

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