Fluke 4x Telephoto IR Smart Lens for Ti400, Ti450, Ti480 thermal cameras. Using this lens offers 2 main features: Firstly it enables images to be captured from greater distances away be it on the ground, in the air or just a safer distance. Ideal for hard to reach, energized or unsafe areas. Secondly it can detect a spot approx. 25% of the size of a standard lens, if images are taken from the same distance. Potential applications include: overhead transmission lines, power substations, tall stacks in petrochemical plants, areas too hot to get close to, hazardous and/or unsafe working areas or similar.