These two frames compare the image quality of two fisheye lenses I use:
Fuji S1 - ISO 320 - WB: cloudy
 Nikkor 8mm @ f5.6 1/20 sec this lens has a f2.8 maxium aperature |
 Sigma 8mm @ f8 1/10sec this is the 8mm f4 MF lens - notice image deterioation and fall-off towards the edges |
