Yes, Tokina AT-X 10-17mm f/3.5-4.5 fisheye. It's the only fisheye lens which can be used in APS-C camera with REAL fisheye effect. I find it quite good to use. Image quality not bad. Some CA but acceptable. Afterall fisheye is for the effect, not too much the image quality, but the image quality is not bad as I've said.

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Tokina Fisheye 10-17mm f/3.5-4.5 DX ?

tokina fisheye, can you advice the model? really interested.