Found out the rods do nothing but make a shoot through. Got the DIY light working great. Ckecked it indoors today with the light kit I built and then took everything off including the rods and took it outdoors and got the same 280 FPS. Googled Pro Crono last night and I was surprised to read that the crono actually works better on shaded days without the rods and top shades. Said the natural light with overcast gives the best bounce back. Said on really sunny days its better to set up your crono in a shaded area where the sun isn't beating right on it for better results.Found that very interesting,always thought in the bright sun was the best.I just made a light kit just like the 1st one. got 100 watt light bulbs in both.I keep getting a ready of 85. The 4 rods that go up and hold the board and lights, do they play into the readung or do they just something to shoot through. I had a lighter rod I used so I doubled them and taped them together. There is plastic electrical wrapped around all 4 rods the whole way.