Thanks Pilotboy. I don’t know any commercial zoomies with over 1000m throw. I think you have to modify a zoomie yourself with a WhiteFlat. They should throw very well behind a big lens. I have read about a Cometa modified with a WF1 throwing 300kcd but it also had a Wavien collar.
The Haikelite HT35 was not bad in throwing with a XHP35 HI but I think it was discontinued. Zoomies are not very popular.