Hey Guys! So lately I have started shooting musicians and other live events for clients in low light situations (clubs). Definitely not ideal. So without selling it and buying say the new Ursa Mini (which I may) how can improve my low light performance when shooting video? At this point the only way I know of is buy say the Sigma 18-35 f/1.8 and a Metabones speed booster. Together that will run me in the neighborhood of $1300. Is it worth it or should I put the money towards the Ursa Mini?