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2. Sigma 10mm f/2.8 EX DC Fisheye HSM lens - Wikipedia

   en.wikipedia.org/.../2.8_EX_DC_Fisheye_HSM_lens

   MSRP. $1000 USD. The Sigma 10mm f/2.8 EX DC fisheye is a photographic lens manufactured by Sigma Corporation. It is a diagonal fisheye lens. Unlike most fisheye lenses, this lens is designed for digital SLR cameras that do not have a full 36x24mm sensor. [1] This results in a much greater fisheye effect than is possible when a full-frame ...

3. Sigma 4.5mm f/2.8 EX DC Circular Fisheye HSM lens - Wikipedia

   en.wikipedia.org/wiki/Sigma_4.5mm_f/2.8_EX_DC...

   Retail info. MSRP. $1400 USD. The Sigma 4.5mm f/2.8 EX DC circular fisheye is a photographic lens manufactured by Sigma Corporation. It is a circular fisheye lens, designed to project a 180-degree field of view in all directions onto a circular image. It is the first such lens to provide the complete circular fisheye effect on crop factor ...

4. Fisheye lens - Wikipedia

   en.wikipedia.org/wiki/Fisheye_lens

   A fisheye lens is an ultra wide-angle lens that produces strong visual ... The first of these was the Sigma 4.5 ... The fish eye lens Laowa 4 mm f /2,8 of the ...

5. Sigma Corporation - Wikipedia

   en.wikipedia.org/wiki/Sigma_Corporation

   Sigma Corporation. Sigma Corporation (株式会社シグマ, Kabushiki-gaisha Shiguma) is a Japanese company, manufacturing cameras, lenses, flashes and other photographic accessories. All Sigma products are produced in the company's own Aizu factory in Bandai, Fukushima, Japan. Although Sigma produces several camera models, the company is best ...

6. Sigma 200-500mm f/2.8 EX DG lens - Wikipedia

   en.wikipedia.org/wiki/Sigma_200-500mm_f/2.8_EX...

   The Sigma 200-500mm f/2.8 EX DG lens is a professional-level telephoto zoom lens made by Sigma Corporation. [1] It is notable for being the first lens with an aperture of f / 2.8 and a focal length of 500mm. [2] This combination allows very distant objects to be photographed at high shutter speeds in dimmer light, compared to other telephoto ...

7. Sigma 18–50mm f/2.8 EX DC Macro lens - Wikipedia

   en.wikipedia.org/wiki/Sigma_18–50mm_f/2.8_EX_DC...

   The Sigma 18-50mm f/2.8 EX DC Macro is a wide to normal angle, zoom lens made by the Sigma Corporation. The lens is produced in Canon EF mount, Four Thirds System, Nikon F-mount, Pentax K mount, the SA mount, and the Sony/Minolta AF Mount varieties, all have the same optical formula. The lens is designed for digital crop DSLR with an APS-C ...