The Leica SF 60 is a compact, versatile wireless TTL flash designed for Leica M, S, and SL cameras and is popular with portrait photographers for its durability and flexibility. Despite its small size, it delivers a guide number of 197 at ISO 100 and 200 mm. The zoom coverage range is 24 to 200 mm, and it can be widened to 16 mm using the integrated diffuser panel for broader coverage. Wireless TTL remote control is supported using the Leica SF C1, with an optical remote control range up to 328 ft. In manual mode, power can be adjusted from 1/1 down to 1/256 in 1/3 EV steps. Radio mode supports eight channels and three groups. The flash weighs about 300 g for easy portability and compatibility across different camera setups. It also includes a built in LED video light for continuous lighting, making it useful for hybrid photo and video shooting. Operation is handled through a color LCD screen. Power comes from 4 AA batteries, with support for an optional external power supply, and the flash is designed for quick setup and reliable performance.