Hi,
Today i was shooting some people in a dance studio, actually to test my fifty nifty, for the first time. Most of the images are not blurred but not sharp at all. I shot them in ISO400, f2.2 and 1/60s however they are not sharp as i wanted. Because ppl in the studio are moving most of the time (dancing) you guys think 1/60s shutter speed is not enough? When i increase the shutter speed, to find the right exposure i need to increase the ISO as well which brings noise to my pictures.
What is the right shutter speed to capture dancers in a studio? And to shoot landscape and portraits in day light, what min. shutter speed i need to capture sharp images because i dont use tripod, only handheld and my hand sometimes shaky 
Thanks, i can show samples from the shooting if anyone wants


