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Sigma 4.5mm f/2.8 EX DC Circular Fisheye HSM Lens for Canon

Sigma's 4.5mm F2.8 EX DC Circular Fisheye HSM lens is the first designed exclusively for use with APS-C size digital SLR cameras. Its180 degree angle of view in all directions produces a circular image within the frame. The fast f/2.8 aperture provides a bright image in the viewfinder, making it an ideal lens to use in low light conditions. The minimum focusing distance of 13.5cm/5.3inch and maximum magnification of 1:6 make it particularly useful for close-up photography.SLD (Special Low Dispersion) glass provides effective compensation of chromatic aberration, while Sigma’s Super Multi-Layer Coating minimizes flare and ghosting. The lens is equipped with an inner focusing system that creates high definition and good image quality over the whole frame. The HSM (Hyper Sonic Motor) ensures fast and quiet autofocusing and allows full-time manual focus override by rotation of the focus ring.Features:The first 180 degree circular fisheye lens designed specifically for APS-C size digital SLR cameras Fast f/2.8 maximum aperture making it ideal for low light photography Minimum focusing distance of 13.5cm and a maximum magnification of 1:6 SLD glass minimizes color aberration Equipped with HSM with full-time manual focus override 4 Year Sigma USA Authorized Dealer WarrantyIn addition to the 1 year international warranty, when you register this EX lens with Sigma you will receive an extra 3 year extended warranty against defective materials or workmanship. Click here to register your warranty »
Customer Reviews for Sigma 4.5mm f/2.8 EX DC Circular Fisheye HSM Lens for Canon
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