What does "God Bull v 1ttl" mean?

It refers to a model of bull flash, which is a professional flash with high-speed flash synchronization speed and accurate color temperature control. "ttl" stands for "metering through lens", which is an advanced metering technology. It can measure the light of the object according to the light transmission characteristics of the lens, so as to determine the correct exposure parameters. On this basis, shenniu v 1ttl further optimizes the performance of the flash, such as the accuracy of the flash color temperature, the synchronization speed of the flash, the return speed of the flash and so on. Shenniu refers to Shenzhen Shenniu Photography Equipment Co., Ltd., which started to produce photographic equipment products on 1993. Is a comprehensive photographic equipment enterprise integrating product development, design, manufacturing and sales. Through the continuous efforts of Shenniu people, Shenniu photographic equipment has developed into one of the most competitive and influential brands in the domestic photographic equipment industry.