Quote:
Originally Posted by rcheshire
I use a 200mm f/2.8 EF lens and see the same. The stars however are round - image - the bright stars in Orion. Seems to be characteristic of the lens.
Not sure how to fix it, because stopping down has no effect. Perhaps an aperture ring. Not sure. |
It's a lot more obvious on very bright stars even on axis sometimes. Stopping can create spikes and make the bright ones more
pleasing. An aperture ring wouldn't create diffraction spikes.