Well, the 500mm mirror lens is heavy and causing deflection on my tripod and snapping off bits of the cheap plastic-mount extension tubes. I've had to tape the shit out of it to take photos like
>>3189135 Pic fully related. I'll be getting the lens support in the image. Otherwise, my tripod and tubes are going to snap off when I have tubes+teleconverter on it. With that system, I'll be able to use more lenses and lens configurations too.