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Sigma 4.5mm f/2.8 DC HSM Fisheye for Nikon

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The Sigma 4.5mm f/2.8 DC HSM Fisheye for Nikon

Another unique offering: the Sigma 4.5mm f/2.8 Fisheye is a full 180° spherical fisheye for DX sensor cameras. It provides a fully circular 180° field of vision, used both for interesting photographic effects and for scientific measurements of angles and area. The lens has HSM (hypersonic motor drive), which provides rapid focus and full-time manual focus override.

The image will appear as a 180° "circle" in the middle of the photo. Also, screw-on filters will not fit on this lens due to the curvature of the glass.

Roger's Take

Full disclosure here: I’m not a fan of the fisheye look, especially the full circle fisheye look. But I will say this is a sharp lens with a huge depth of field. And the images are incredibly panoramic when ‘defished’ in software, which is what I do with them, mostly. In case you don’t understand what a spherical fisheye is, the lens takes a circular image which shows up in the center of your rectangular shot — this type of fisheye does not fill the entire frame of your picture.

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Finally, if you select the two-year lens warranty, you'll get additional protection from Consumer Priority Service ("CPS"). The two-year warranty will take effect after our 90-day warranty ends. Click the link below for all the details:

Extended Warranty Details