Circular fisheye: Sigma DC EX 4.5mm f2.8 EF mount: Micro Four Thirds Talk Forum: Digital Photography Review
![Sigma's Fisheye Duo; The Sigma 4.5mm f/2.8 EX DC HSM & 10mm f/2.8 EX DC HSM (Motor-In) Lenses | Shutterbug Sigma's Fisheye Duo; The Sigma 4.5mm f/2.8 EX DC HSM & 10mm f/2.8 EX DC HSM (Motor-In) Lenses | Shutterbug](https://www.shutterbug.com/images/archivesart/0808sigma01.jpg)
Sigma's Fisheye Duo; The Sigma 4.5mm f/2.8 EX DC HSM & 10mm f/2.8 EX DC HSM (Motor-In) Lenses | Shutterbug
![Ferry Fisheye :: Lens: Sigma AF 4.5mm F2.8 EX DC Circular Fisheye HSM - test photo :: AllPhotoLenses.com Ferry Fisheye :: Lens: Sigma AF 4.5mm F2.8 EX DC Circular Fisheye HSM - test photo :: AllPhotoLenses.com](https://allphotolenses.com/public/files/gallery/38af287657b576cf8c4e64e1d07a3b47.jpg)
Ferry Fisheye :: Lens: Sigma AF 4.5mm F2.8 EX DC Circular Fisheye HSM - test photo :: AllPhotoLenses.com
![Sigma's Fisheye Duo; The Sigma 4.5mm f/2.8 EX DC HSM & 10mm f/2.8 EX DC HSM (Motor-In) Lenses Page 2 | Shutterbug Sigma's Fisheye Duo; The Sigma 4.5mm f/2.8 EX DC HSM & 10mm f/2.8 EX DC HSM (Motor-In) Lenses Page 2 | Shutterbug](https://www.shutterbug.com/images/archivesart/0808sigma05.jpg)