--- product_id: 65920247 title: "Irix 11mm f/4.0 Firefly Lens w/Built-in AE Chip for Canon" brand: "irix" price: "S$703" currency: SGD in_stock: true reviews_count: 10 url: https://www.desertcart.sg/products/65920247-irix-11mm-f-4-0-firefly-lens-w-built-in store_origin: SG region: Singapore --- # 126Β° ultra-wide field of view Weather sealed for element resistance 16 elements/10 groups optical design Irix 11mm f/4.0 Firefly Lens w/Built-in AE Chip for Canon **Brand:** irix **Price:** S$703 **Availability:** βœ… In Stock ## Summary > 🌟 See More, Capture More, Be More – The Ultimate Ultra-Wide Lens for Visionaries ## Quick Answers - **What is this?** Irix 11mm f/4.0 Firefly Lens w/Built-in AE Chip for Canon by irix - **How much does it cost?** S$703 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/65920247-irix-11mm-f-4-0-firefly-lens-w-built-in) ## Best For - irix enthusiasts ## Why This Product - Trusted irix brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Precision Optics:** 16-element design with ED & aspherical lenses minimizes distortion and flare for razor-sharp clarity. - β€’ **Expand Your Vision:** Capture breathtaking ultra-wide 126Β° scenes that others simply can't reach. - β€’ **Lightweight Powerhouse:** At just 0.6 kg, this lens delivers pro-level performance without weighing you down. - β€’ **Seamless Canon Integration:** Built-in AE chip and focus confirmation for smooth manual focus with Canon EF mount compatibility. - β€’ **Built to Brave the Elements:** Weather-sealed construction means your lens performs flawlessly rain or shine. ## Overview The Irix 11mm f/4.0 Firefly is a premium ultra-wide-angle prime lens designed for Canon EF mount cameras. Featuring a massive 126Β° field of view, advanced 16-element optical construction with ED and aspherical lenses, and weather-sealed durability, it delivers stunningly sharp, low-distortion images ideal for real estate, architecture, and creative wide-angle photography. Its built-in AE chip ensures smooth manual focus confirmation, while its lightweight design makes it a versatile tool for professionals seeking expansive perspectives. ## Description Manual focus wide-angle lens (Canon EF Mount) A unique full frame rectilinear lens with a stunning 126Β° field of view Aperture range: f/4.0 - f/22 Focus ring locking 9 Rounded blades Ultra-lightweight construction Printed markings on body Rear gelatin filter slot Weather sealed offering resistance to the elements Infinity click and hyperfocal scale Optical construction - 16 elements/ 10 groups includes 4 high refractive lenses, 2 ED lenses and 3 aspherical lenses to ensure minimal distortion (3.13%), ghosting and lens flare Neutrino coating Built-in petal style lends hood Comes with soft lens pouch Review: Excellent ultra-super-mega-wide full frame lens - Why I Bought It: I acquired this lens for my Canon 5D Mk IV entirely for my real estate photography, and I'm so glad I did. My go-to lens is a Tokina 17-35 f/4 ATX Pro, which is a great lens, but in some of these bathrooms, tiny bedrooms, and walk-in closets, even 17mm on a full frame just isn't wide enough. I grappled with whether I should spend $500+ on a lens just to shoot bathrooms, and finally convinced myself that if I get 1 to 2 extra gigs because of it, it will pay for itself. My logic turned out to be solid. First shoot with it, and the client LOVED the shots I got with it. She didn't think it would be possible to get these shots, so I wound up looking like a hero. Pros: (1) This lens is sickly insanely wide. It's so wide that looking through the OVF is almost disorienting. As I said above, I'm able to get shots that are otherwise impossible. In the first photo I posted (straight-on shot of the bathroom sinks), I was only about 3 feet from the forward edge of the vanity. (2) Build quality is outstanding. It feels like a $3,000 lens. Way to go, Irix! (3) Minimal barrel distortion, shockingly minimal for such a wide lens. What little BD there is gets eliminated in one click with the native lens correction profile in Lightroom. (4) Tack sharp at f/10 from image center almost to the edges (I rarely shoot any real estate in anything other than f/10 so I can't tell you about the rest of the aperture range). (5) Great color and contrast, especially for such a wide lens. (6) So much lens for the money (7) While it's a manual focus lens, the focus confirmation chip works flawlessly with the Canon's AF system. Basically just hold your focus button down (I have my camera set on back-button focus) and turn the focus ring until you get the chirp in the area you want in focus. (8) It's not a full manual lens. Aperture is controlled from the camera, so you get both live view (critical in real estate photography) and a clear non-stopped-down view through the OVF. Cons: (1) This lens does produce quite noticeable lateral chromatic aberrations. However (a) it's unreasonable to expect otherwise on an 11mm full frame lens on a DSLR. Different frequencies of light get bent at different angles. When you stretch the field of view to 126 degrees as this lens does, those disparities inevitably produce purple fringing along color borders. These are the immutable laws of physics. I'm curious what this lens could do on a mirrorless camera with a shorter flange distance (this supposedly reduces LCA's). (b) The LCA's are easily correctible in Photoshop. Lightroom's chromatic aberration removal tool is useless on any lens. I go into Photoshop and use the camera raw filter, and slide the purple CA removal tool all the way, and it gobbles the LCA's right up without destroying any detail elsewhere. I know I spend more time defending this con than complaining about it, but in my heart of hearts, I feel that the LCA's are excusable here, especially considering what this lens succeeds at doing - grabbing a 126 degree field of view. (2) It's heavy. I got the Firefly version. I can only imaging how heavy the Blackstone version is. But really, so what? This isn't a lens for taking on hikes. This is a specialty lens that real estate and architectural photogs will want to have in their bag along with lots of other heavy stuff. (3) a tad soft at the edges, but again, remember what this lens is doing - 126 degree field of view. Bottom Line: GET THIS LENS! Review: Great build, very sharp - Great build, very sharp, low distortion for 11mm. Cap needs to be carefully placed on and removed. Don't stay very well put. This is an only minor thing. Overal great buy. ## Features - Country of origin:- Korea, Republic Of (South) - Item Package Quantity: 1 - Package Weight: 1.3 kilograms - Colour: black ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01N30FXIX | | Best Sellers Rank | #4,278 in SLR Camera Lenses | | Brand | Irix | | Camera Lens | 35 mm | | Camera Lens Description | 35 mm | | Color | black | | Compatible Camera Mount | Canon EF | | Compatible Devices | fΓΌr Canon | | Compatible Mountings | Canon EF | | Customer Reviews | 4.2 out of 5 stars 25 Reviews | | Exposure Control Type | Manual | | Focal Length Description | 11 mm | | Focus Type | Manual Focus | | Global Trade Identification Number | 07640172190326 | | Image stabilization | yes | | Item Weight | 0.6 kg | | Lens | Wide Angle | | Lens Coating Description | Neutron Coating | | Lens Design | Prime | | Lens Fixed Focal Length | 11 millimeters | | Lens Mount | Canon EF | | Lens Type | Wide Angle | | Manufacturer | Irix | | Manufacturer Part Number | IL-11FF-EF | | Maximum Focal Length | 11 millimeters | | Media Type | ProductImage | | Minimum Aperture | 4 f_stop | | Minimum Focal Length | 11 | | Model Name | Irix 11mm f/4.0 Firefly | | Model Number | IL-11FF-EF | | Number of Diaphragm Blades | 9 | | Number of Items | 1 | | Number of Packs | 1 | | Real Angle Of View | 126 degrees | | Water Resistance Level | Water Resistant | | Zoom Ratio | [1x] | ## Product Details - **Brand:** Irix - **Camera Lens Description:** 35 mm - **Compatible Mountings:** Canon EF - **Focal Length Description:** 11 mm - **Lens Type:** Wide Angle ## Images ![Irix 11mm f/4.0 Firefly Lens w/Built-in AE Chip for Canon - Image 1](https://m.media-amazon.com/images/I/7107H8Z33iL.jpg) ![Irix 11mm f/4.0 Firefly Lens w/Built-in AE Chip for Canon - Image 2](https://m.media-amazon.com/images/I/610xzyr4tdL.jpg) ![Irix 11mm f/4.0 Firefly Lens w/Built-in AE Chip for Canon - Image 3](https://m.media-amazon.com/images/I/71+d+e+olSL.jpg) ![Irix 11mm f/4.0 Firefly Lens w/Built-in AE Chip for Canon - Image 4](https://m.media-amazon.com/images/I/71qFN1Te2gL.jpg) ![Irix 11mm f/4.0 Firefly Lens w/Built-in AE Chip for Canon - Image 5](https://m.media-amazon.com/images/I/81vyLMX7DsL.jpg) ## Available Options This product comes in different **Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excellent ultra-super-mega-wide full frame lens *by S***N on September 11, 2021* Why I Bought It: I acquired this lens for my Canon 5D Mk IV entirely for my real estate photography, and I'm so glad I did. My go-to lens is a Tokina 17-35 f/4 ATX Pro, which is a great lens, but in some of these bathrooms, tiny bedrooms, and walk-in closets, even 17mm on a full frame just isn't wide enough. I grappled with whether I should spend $500+ on a lens just to shoot bathrooms, and finally convinced myself that if I get 1 to 2 extra gigs because of it, it will pay for itself. My logic turned out to be solid. First shoot with it, and the client LOVED the shots I got with it. She didn't think it would be possible to get these shots, so I wound up looking like a hero. Pros: (1) This lens is sickly insanely wide. It's so wide that looking through the OVF is almost disorienting. As I said above, I'm able to get shots that are otherwise impossible. In the first photo I posted (straight-on shot of the bathroom sinks), I was only about 3 feet from the forward edge of the vanity. (2) Build quality is outstanding. It feels like a $3,000 lens. Way to go, Irix! (3) Minimal barrel distortion, shockingly minimal for such a wide lens. What little BD there is gets eliminated in one click with the native lens correction profile in Lightroom. (4) Tack sharp at f/10 from image center almost to the edges (I rarely shoot any real estate in anything other than f/10 so I can't tell you about the rest of the aperture range). (5) Great color and contrast, especially for such a wide lens. (6) So much lens for the money (7) While it's a manual focus lens, the focus confirmation chip works flawlessly with the Canon's AF system. Basically just hold your focus button down (I have my camera set on back-button focus) and turn the focus ring until you get the chirp in the area you want in focus. (8) It's not a full manual lens. Aperture is controlled from the camera, so you get both live view (critical in real estate photography) and a clear non-stopped-down view through the OVF. Cons: (1) This lens does produce quite noticeable lateral chromatic aberrations. However (a) it's unreasonable to expect otherwise on an 11mm full frame lens on a DSLR. Different frequencies of light get bent at different angles. When you stretch the field of view to 126 degrees as this lens does, those disparities inevitably produce purple fringing along color borders. These are the immutable laws of physics. I'm curious what this lens could do on a mirrorless camera with a shorter flange distance (this supposedly reduces LCA's). (b) The LCA's are easily correctible in Photoshop. Lightroom's chromatic aberration removal tool is useless on any lens. I go into Photoshop and use the camera raw filter, and slide the purple CA removal tool all the way, and it gobbles the LCA's right up without destroying any detail elsewhere. I know I spend more time defending this con than complaining about it, but in my heart of hearts, I feel that the LCA's are excusable here, especially considering what this lens succeeds at doing - grabbing a 126 degree field of view. (2) It's heavy. I got the Firefly version. I can only imaging how heavy the Blackstone version is. But really, so what? This isn't a lens for taking on hikes. This is a specialty lens that real estate and architectural photogs will want to have in their bag along with lots of other heavy stuff. (3) a tad soft at the edges, but again, remember what this lens is doing - 126 degree field of view. Bottom Line: GET THIS LENS! ### ⭐⭐⭐⭐⭐ Great build, very sharp *by A***R on February 27, 2018* Great build, very sharp, low distortion for 11mm. Cap needs to be carefully placed on and removed. Don't stay very well put. This is an only minor thing. Overal great buy. ### ⭐⭐⭐⭐⭐ Wide!!! *by R***. on September 20, 2019* Did much research on wide angle lenses costing up to $2500 and this IRIX 11mm is wide as can be and creates a nice clean sharp image. Its a big lens for a prime but so far, I am happy with its performance. --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sg/products/65920247-irix-11mm-f-4-0-firefly-lens-w-built-in](https://www.desertcart.sg/products/65920247-irix-11mm-f-4-0-firefly-lens-w-built-in) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-09-22*