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Irix 11mm f/4 Blackstone for Nikon

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The Irix 11mm f/4 Blackstone for Nikon

The Irix 11mm f/4 Blackstone for Nikon is a manual-focus ultra-wide prime designed for Nikon F-mount DSLRs. Key features include:

Ultra-Wide Angle. The Irix 11mm f/4 Blackstone for Nikon is really, really wide. Like really wide. Like 126° angle of view wide. Because its field of view is exactly 126°. Its minimal distortion makes it an excellent choice for architecture and landscape photography. Using a DX camera? You’ll have a focal length equivalent to 16.5mm.

Very Close Focus. When this lens’s wide perspective is coupled with its 10.83-inch minimum focusing distance, foreground subjects become exaggerated, creating a broad sense of space in the image.

Advanced Optics. The Irix 11mm f/4 Blackstone’s sixteen-element/ten-group design includes three aspherical elements, four high-refractive index elements, and two extra-low dispersion elements that control distortions and aberrations while retaining sharpness and clarity at any focus distance. The Neutrino coating controls ghosting and flare for a color-neutral image.

Premium Build. The 11mm f/4’s durable aluminum and magnesium-alloy housing boasts an anti-scratch finish and high-visibility depth-of-field scales. Its weather-resistant construction includes internal seals to guard against dust and moisture, and an additional seal to protect the front element. The built-in petal-shaped hood also protects the front element while blocking light to reduce flare.

Modern Manual Focus. This fully manual-focus lens features a positive focus lock mechanism to help prevent focus shifting, while a hard click stop indicates the infinity position on the focus ring for easy use when you’re working in low-visibility conditions.

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We offer a 3-day inspection period on all sales, during which time you may return the item for a refund of the purchase price, not including shipping.

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