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Description
IRIX 11mm f/4 Blackstone Lens for Canon EFCanon EF Mount Full Frame Format Aperture Range: f 4 to f 22 Three Aspherical Elements Two ED and Four HR Elements Neutrino Coating Manual Focus Design with Focus Lock UV Fluorescent Engraved Markings Depth of Field and Focus Distance Scales Weather Sealed Magnesium Alloy Housing Rounded Nine Blade Diaphragm Distinguished by its refined physical construction, the 11mm f 4 Blackstone Lens from Irix is an ultra wide prime designed for Canon EF mount
- Canon EF-Mount/Full-Frame Format
- Aperture Range: f/4 to f/22
- Three Aspherical Elements
- Two ED and Four HR Elements
- Neutrino Coating
- Manual Focus Design with Focus Lock
- UV Fluorescent Engraved Markings
- Depth of Field and Focus Distance Scales
- Weather-Sealed Magnesium Alloy Housing
- Rounded Nine-Blade Diaphragm
Distinguished by its refined physical construction, the 11mm f/4 Blackstone Lens from Irix is an ultra-wide prime designed for Canon EF-mount DSLRs. As a rectilinear lens, the advanced optical layout makes use of aspherical, extra-low dispersion, and high-refractive index elements to control distortion and aberrations for accurate, and sharp rendering with a high degree of clarity and color accuracy. Additionally, a Neutrino coating has also been applied to the lens to control flare and ghosting for improved contrast when working in strong lighting conditions.
Beyond its optical assets, this 11mm f/4 lens also sports a manual focus design for fine-tuned control, and incorporates a unique positive focus lock to secure the focusing position at any point for consistent, repeatable shooting. As the Blackstone version of this focal length, this lens is also distinguished by an aluminum and magnesium alloy exterior, engraved lens markings with fluorescent UV paint for high visibility, and extensive weather-sealing about the lens to permit working in harsh environments.
- The Blackstone version of the 11mm f/4 lens features a durable aluminum and magnesium alloy housing and weather-resistant exterior along with inner seals, and an extra seal at the front element, to protect against dust and moisture intrusion. The metal exterior also distinguishes itself with an anti-scratch finish, and sports engraved focus distance and depth of field scales with fluorescent UV paint for high visibility when working in low-light conditions.
- Ultra wide-angle prime designed for full-frame Canon EF-mount DSLRs, this lens can also be used on APS-C models where it provides a 17.6mm equivalent focal length.
- Three aspherical, four high-refractive index, and two extra-low dispersion elements are featured within the optical design to limit both spherical and chromatic aberrations, as well as color fringing and distortion, for improved clarity, sharpness, and even illumination.
- A Neutrino coating has been applied to limit lens flare and ghosting for improved contrast and color fidelity.
- Manual focus designed is benefitted by a positive focus lock mechanism to secure your focus position at any point to limit unwanted shifting of focus.
- A hard click stop indicates the infinity position on the focus ring for easy use in low-visibility conditions.
- Large depth of field scale benefits using hyperfocal and pre-focus techniques.
- Built-in petal-shaped lens hood blocks stray light in order to reduce lens flare, and also protects the front element of the lens.
- Rear of the lens accepts 30 x 30mm cut gel filters.
- Rounded nine-blade diaphragm contributes to smooth bokeh.
In the Box
IRIX 11mm f/4 Blackstone Lens for Canon EF
- Front Lens Cap
- Rear Cap for Canon EF-Mount Lenses
- Hard Lens Case (Black)
- Limited 5-Year Warranty
| Performance | |
|---|---|
| Focal Length | 11mm |
| Aperture | Maximum: f/4 Minimum: f/22 |
| Camera Mount Type | Canon EF |
| Format Compatibility | 35mm Film / Full-Frame Digital Sensor |
| Angle of View | 126° |
| Minimum Focus Distance | 10.83" (27.5 cm) |
| Elements/Groups | 16 / 10 |
| Diaphragm Blades | 9, Rounded |
| Features | |
|---|---|
| Autofocus | No |
| Physical | |
|---|---|
| Filter Thread | Rear Gel: |
| Dimensions (DxL) | Approx. 4.65 x 4.06" (118 x 103 mm) |
| Weight | 1.74 lb (790 g) |
| Packaging Info | |
|---|---|
| Package Weight | 3.05 lb |
| Box Dimensions (LxWxH) | 6.7 x 5.6 x 5.6" |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.6 ★★★★★
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Product Reviews
★★★★★ 3
On the fence...
Will be updating review after I have used it for more than a week.
But so far here are the pros and cons:
Pros:
Smells good
Seems like a little goes a long way
Easy to apply
Cons:
Not sure if this is because I didn't use Sulfate free shampoo, but felt like with one wash I didn't get all the product out of my hair, so when It dried, it still looked greasy/oily
Will be washing my hair again with sulfate free shampoo, then will do another application in another day or so.
it says to use 2-3 times a week, so I'll use it 3 times a week for 2 weeks and then come back and update my review. But so far, it seams like a good product and for the money, it's a fair value.
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Reviewed in the United States on January 20, 2026
★★★★★ 5
Makes my hair shine.
Size: 3.38 Fl Oz (Pack of 1)
This product makes my hair smell good and shiny. You only need to use a small amount for results. I am sure my hair will grow since oil is good for your hair.
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Reviewed in the United States on May 24, 2026
★★★★★ 5
Natural solution
Size: 3.38 Fl Oz (Pack of 1)
Excellent moisturizer! Has a light fragrance and not oily. Only used for a few days so can't attest tolong term benefits.
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Reviewed in the United States on May 29, 2026
★★★★★ 4
Raw Batana oil
Size: 5.07 Fl Oz (Pack of 1)
These Batana grease looks like what I need and want havent started using it as of yet.
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Great results!
Size: 5.07 Fl Oz (Pack of 1)
This Batana oil does exactly what it said it was suppose to do. My scalp and hair feels great after applying as directed. Will continue to use this product. Hair has improved greatly.
Thank you.
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Reviewed in the United States on May 28, 2026