Here’s a quick tip. Have you always wondered how photographers got that beautiful starburst effect in night shots and sunsets?
It’s simply shooting at f16. The basic explanation is that the aperture blades filter the light when you close down to a small aperture opening. Most lenses are sharpest in the f8 - f11 "sweet spot" range, so going beyond f16 to get a starburst may result in images that are a little less crisp than you want. So, if you’re shooting a sunset and you want to get those extra rays, set your camera to “aperture” priority, f16, and adjust accordingly.