And note the emphasis on the word ‘systems' of which the basic thermal camera is just a part. One of the biggest cost drivers of a long-range uncooled system is the lens. As effective range ...

with motion blur only becoming noticeable at the long end. Chromatic aberrations are kept under tight control, too. Tipping the scales at the best part of 2.5kg, this is not a lightweight lens.

The RF 200-800mm F/6.3-9 IS USM takes long telephoto photography even further with this lightweight, competitively priced lens. Will Cheung had the chance to get hands on this eagerly anticipated ...