Tak to dokładnie jest w polskiej wersji photoshopa, tu masz instrukcję dla wersji ang.:Zamieszczone przez muflon
"1. Left click on the image and save it on your desktop, it is 87.6KB size.
2. Open image in Photoshop and resize "Width" to 2000px, the "Height" will change automatically, then click "OK".
3. Click "Filter - Blur - Radial Blur".
4. Set "Amount" to 100. Then select "Spin" and "Best".
5. Do not forget again to select "Best", if you choose lower, the processing time will be shorter and you will not believe speedness of your system ).
6. Be ready with the stopwatch. Click "OK" along with start button of your stopwatch.
7. Record the time needed until the progress bar in the lower window of Photoshop disappear.
8. Report the time in seconds along with a bit information of your system."
Spin z punktu 4 jest automatycznie zaznaczone po wybraniu, więc nie pisałem.
W polskiej wersji: "Metoda rozmycia > obrót"