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Irix 11mm f/4.0 Rectilinear Wide Angle Lens
This 11mm wide angle rectilinear lens is suitable for all photographers, whether you're a landscape photographer, a nature photographer, architecture, interior or astrophotographer.
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The Widest Rectilinear Lens in its class!
In fact for Nikon, it's the widest rectilinear lens in every class. There simply is no wider rectilinear lens for Nikon full frame cameras on the market.
The Irix 11mm has inherited the tested and proven technological solutions of its big brother, the Irix 15mm f/2.4, such as: a convenient focus lock mechanism, an extremely useful click-stop at infinityand an intuitive and user-friendly hyperfocal scale. A rear gelatin filter slot is another feature it shares with its 15mm sibling.
Just like the Irix 15mm, this ultrawide lens is offered in two finish versions. Firefly, the standard version, is made of lightweight composite, provided with an anti-slip rubber coating and clearly printed markings. The premium version, the Blackstone, features a tough, aluminum/magnesium alloy body that ensures rugged durability. The Blackstone’s engraved fluorescent markings reflect UV light to enable easy operation in low-light conditions.
Like all Irix lenses, the 11mm can be used even in the harshest conditions. Both versions are equipped with weather seals that protect the interior against dust and moisture. Two seals around the focus ring and one on the bayonet mount also protect against accidental spills and splashes.
The Blackstone and Firefly versions feature identical mechanical and optical construction. The Swiss-designed optics offer minimal barrel distortion at 3.13% and an astonishing diagonal angle of view of 126 degrees. This combination makes the 11mm an ideal tool for both outdoor and indoor photography – from photojournalism to landscapes and architecture. Encompassing capabilities once specific to analog photography with ingenious technology, the Irix 11mm f/4 is a perfect solution for both professionals and hobbyists.
The Widest Rectlinear Wide-Angle for Full Frame
Differences between Firefly and Blackstone lenses
This lens exists in two different finishes, the normal version called Firefly and a premium version called Blackstone. Both lenses have identical optical quality, the only differences are in the housing. Depending on your preferences, you can choose the one that best fits for you.
|Infinity Focus "Click" and DOF Scale|
|Rear Slot for Gel Filters|
|Focus Lock Ring|
|9 Rounded Blades|
|Option to Callibrate|
|Ergonomic Focus Ring|
|Lightweigt Durable Plastic Housing|
|UV Light Reactive Markings|
|Robust Metal Housing|
So what makes us so special?
As photographers ourselves, we knew exactly what would make our (photographic) lives easier. We have combined manual focusing with a few small but ingenious improvements, making this lens the ideal solution for both professionals and hobbyists. Check out the details below.
Thanks to the infinity focus "click", you can set the focus to infinity without even looking at the lens. When you turn the focus ring, you will feel a small click when you reach the infinity position.
This is extremely helpful when you need to focus at night or when looking through your viewfinder to frame your shot.
Rear Gel Filters
The Irix 15mm has a 95mm front filter thread AND a rear, 30 x 30mm gelatin filter slot for even more creative options. You can purchase our convenient Irix Edge gel filters or you can cut your own.
Easy to use Hyperfocal Scale
The Hyperfocal scale on the Irix 15mm provides a unique and convenient way to maximize the front-to-back sharpness in your photos. This feature allows you to easily focus at the hyperfocal distance for your current aperture setting.
The scale is represented in both meters (metric system) and in feet (imperial system).
If you're not sure what hyperfocal distance means, check out our blog post about how to use the hyperfocal scale on Irix Lenses
Focus Ring Lock
Forget about accidentally disturbing your focus and having to start all over again! Use our innovative Focus Lock to secure the focus ring and ensure a consistent focus setting when taking repetitive shots.
You'll find this feature invaluable in all sorts of situations, from time-lapse and stack shooting to locking the focus at infinity for a night of star photography.
9 Rounded Aperture Blades
The Irix 11mm creates beautiful bokeh, with more than the average number of diaphragm blades. What's more, the blades are curved to create a more circular aperture, resulting in the same round bokeh highlights at wide aperture settings.
When you stop down to the other end of the aperture scale, this diaphragm configuration creates distinctive, beautiful diffraction spikes (starbursts) around point light sources.
Being adventurous, we want to be prepared for ANYTHING when shooting outdoors. If it suddenly starts raining or we need to stay out all night (or start very early) and dew starts forming on our precious camera and lens, we don't want to have to worry about that, and neither should you!
Both 11mm models have 3 rubber seals (1 x mount, 2 x body) to protect the lens from moisture and dust.
Last, but not least, Irix lenses allow you to callibrate the focus yourself. While all Irix lenses are factory callibrated, the ability to adjust the setting lets you ensure optimum focus with our specific camera model(s).
As any professional photographer knows, there are many occasions that may call for re-calibrating your lens, regardless of make or model. At Irix, we believe in providing you with a simple means to do this yourself and avoid the inconvenience and possible expense of having it done for you.
Ergonomic Focus Ring
The Firefly lens is equipped with a rubber-coated focusing ring with a raised, ergonomig tab that makes it extremely easy to operate. The coating provides slip resistance, and the composite ring helps keep this model lightweight.
UV Reactive Paint
Just like the 15mm Blackstone lens, the 11mm Blackstone model has engraved markings filled with UV reactive paint. All you need is a small UV flashlight to be able to make the settings on your lens easy to see in the dark. This helps you avoid the nuisance of a bright flashlight, which you (and others around you) will appreciate during night shoots. Leave the blinding light at home, or at least in your bag once you're set up.
|Image Coverage||Full Frame 35mm|
|Field of View||126º (Diagonal)|
|Number of Iris Blades||9 Rounded Blades|
|Aperture Range||f/4.0 - f/22|
|Aperture Control||Through the camera|
|Focusing Type||Manual with AE Focus Confirmation Chip|
|Focusing Distance||0.9 ft (0.27 m ) - ∞|
|Lens Construction||16 Elements in 10 Groups|
|Dimensions||4.49" x 4.05" (118 x 103mm)|
|Weight||1.61 - 1.74 lbs (730 - 790 g)|
|Included Accessories||Front lens cap, Rear lens cap, Lens case|
Irix 11mm f/4.0 Optical Construction
The 11mm lens is an extremely wide full frame rectilinear lens with a 126° angle of view. 4 highly refractive lenses (UR), 2 ED lenses and 3 aspherical lenses guarantee minimal distortion, as low as 3.13%, making it absolutely unique in its class.
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