Canon's new ultra-lowlight MS-500 camera can detect individual photons

Canon MS-500 and SPAD Image Snsor
(Image credit: Canon)

Canon has a new camera – a world's first, it says – based on the new 1-inch "SPAD" imaging sensor the company has been developing. The camera, the Canon MS-500, will go on sale in 2023, and features a broadcast-friendly B4 interchangeable lens mount.

Many might think of the term SPAD as a politician's special advisor, but there is another use for the acronym. In the imaging world, it stands for Single Photon Avalanche Diode. Rather than measuring the number of photons arriving in a pixel in a given period of time – collecting them, some say – the SPAD counts each individual entry.

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Adam Juniper
Managing Editor

With over 20 years of expertise as a tech journalist, Adam brings a wealth of knowledge across a vast number of product categories, including timelapse cameras, home security cameras, NVR cameras, photography books, webcams, 3D printers and 3D scanners, borescopes, radar detectors… and, above all, drones. 

Adam is our resident expert on all aspects of camera drones and drone photography, from buying guides on the best choices for aerial photographers of all ability levels to the latest rules and regulations on piloting drones. 

He is the author of a number of books including The Complete Guide to Drones, The Smart Smart Home Handbook, 101 Tips for DSLR Video and The Drone Pilot's Handbook