Also, the starburst effect looks different from lens to lens. It all depends upon your aperture blades. If your lens has six aperture blades, you’ll get six sunbeams. If your lens has eight aperture blades, you’ll get eight sunbeams. And, if your lens has nine aperture blades, you’ll get eighteen sunbeams.
Wait, what?
That’s no typo. You always end up with an even number of sunbeams. If your lens has an odd number of aperture blades, you’ll get double the number of sunbeams.
It sounds strange, but the reason is actually quite simple. In lenses with an even number of aperture blades (and a fully symmetrical design), half of the sunbeams will overlap the other half. So, you don’t see all of them in your final photo.
Here’s a diagram to show what I mean:
When you have an even number of aperture blades, the sunbeams will overlap.
Wait, what?
That’s no typo. You always end up with an even number of sunbeams. If your lens has an odd number of aperture blades, you’ll get double the number of sunbeams.
It sounds strange, but the reason is actually quite simple. In lenses with an even number of aperture blades (and a fully symmetrical design), half of the sunbeams will overlap the other half. So, you don’t see all of them in your final photo.
Here’s a diagram to show what I mean:
When you have an even number of aperture blades, the sunbeams will overlap.
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