Originally posted by Biro Was it the Samyang/Rokinon/Bower/Vivitar/Pro-Optic 8mm f/3.5 fisheye? The lens seems pretty cool... and an inexpensive way to play with a fisheye and determine if it's something one really likes.
Yes it is, mine is the pro-optic variant
It has had several good workouts lately. what I can advise is as follows:
With respect to overall quality it is pretty well built, the only complaint about this lens is that it cannot take filters, where as the more expensive fish-eye lenses take rear filters. Having said that it has pretty good contrast and flair is very well controlled. you can almpst point this lens into the sun and not have an issue, shich is important because with a 180 degree FOV the sun is almost impossible to keep out of the frame.
CA is also well controlled, where there is perhaps a 1-2 pixel CA band apparent at times (on my K10D).
Purple fringing is also not a real issue, but I did see some true purple fringing by pointing the lens at the hole in the center of a cathedral dome and the bright blue sky outside, and about 16ev lower lighting inside. the hole is surrounded by a really nice? purple band. this range of esposure overload is unusual however.
overall, it is a pretty good toy for the price, and comes in KA mouont so all auto exposure modes work. DOF is so large that focusing is almost redundant,.