Calumet is offering UK photographers a chance to buy a high-specification external flashgun for just £149. The photographic retailer’s Genesis Speedlight SP692 for Nikon and Canon cameras is available now and boasts through-the-lens metering; a zooming head with 24-180mm coverage; an LCD panel and a recycle time of between two and five seconds. This flash can be used on-camera or as a master or slave unit in a wireless, multiple.flash system with both manual and TTL control. The Genesis Speedlight SP692 also benefits from thermal circuit protection which allows extensive use without overheating challenges and keys can be locked to prevent accidental settings changes. Additionally an external power pack can be connected to extend battery life and a PC socket allows the flash to be triggered via a sync cord. The guide number is 50 in metres at ISO 100/21° with the flash head zoomed all the way to the 180mm setting.