Manfrotto MT055CXPRO4 Carbon Fiber Tripod with 405 Pro Digital Geared Head
US$ 71075.00
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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:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 4
Bromelain 500mg with Quercetin & MCT Oil, 240 Enteric Coated Softgels |
Burns the inside of mouth when taking it and terrible customer service!!!! They say one thing and do the opposite. DO NOT RECOMMEND. They finally refunded Micheal
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 14, 2026
★★★★★ 5
Great Stuff
Definitely helps with preventing and reducing bruises.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
★★★★★ 5
Latex allergy stopped me from taking bromelain
I was excited to find a natural solution to inflammation and sinus issues. However, after taking this for less than a week, I had a nosebleed that wouldn't stop. After a deep dive on Google, I found out that if you are allergic to latex, you shouldn't take bromelain. Latex Cross-Reactivity: Bromelain is derived from pineapple. People with a latex allergy are at higher risk of an allergic reaction to bromelain. This allergy can manifest as sneezing, itchy throat, or inflammation in the sinuses, which can trigger nosebleeds. I was taking this to get rid of the inflammation in my sinuses, not add to it. I also had tingling in my fingers, which a deep dive on Google said could happen if I am sensitive to quercetin. Quercetin Side Effects: While generally safe, high-dose or sensitive use of quercetin can cause "tingling in the extremities" (numbness/tingling in hands/feet). Thus is neither a high dose of eother of these, nor was it used long-term, so I guess I am sensitive to them both. Beware if you are sensitive to medications and/or have a latex allergy. I can't say if these pills made a positive impact on me, because I only found negative effects, but that is due to my body being so quirky.
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Reviewed in the United States on March 29, 2026
★★★★★ 5
Good
Love this product, take it daily
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Worth the money
It the first thing I drink in the morning
Taste is good, easy to use, keeps my body happy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026
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