Looking out from my apartment window this morning around 6.30am when severe dust storm hits Sydney. I just woke up getting ready for work this morning when I realize the dark orange light coming through our window. I looked out and saw this

  When using flash you need to step down the aparture because the camera tend to overexposed when using this lens to shoot with flash which I found to be good because I can use higher number f-stop to get a sharper image.