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    AI Overview

    An AI Overview is not available for this searchCan't generate an AI overview right now. Try again later.
    AI Overview
    An 8.5mm FA (Factory Automation/Machine Vision) lens is
    a high-performance, fixed focal length lens designed for industrial cameras, offering a wide field of view suitable for detailed inspection, robotics, and quality control, supporting high-resolution sensors (like 2/3" format, 5MP+) with features like locking focus/iris for stability, compact size, and excellent edge-to-edge clarity for tasks like electronics assembly or barcode reading. These lenses are built ruggedly for demanding environments, providing consistent, sharp images for automated systems. 
    Key Characteristics: 
    • Focal Length: 8.5mm (wide-angle for industrial use).
    • Format: Often designed for 2/3" sensors.
    • Applications: Machine vision, inspection, microelectronics, robotics, pattern matching, barcode reading, mobile phone repair.
    • Performance: High resolution (supporting 3MP, 5MP, or higher sensors), low distortion, high contrast, and strong peripheral light intensity.
    • Features: Locking focus/iris rings, C-Mount standard, robust housing, anti-reflection coatings, and sometimes thermal imaging (GASIR) capabilities. 
    Why it's Used: 
    • Wide View: Captures a broad area, useful for inspecting larger objects or scenes.
    • High Resolution: Delivers sharp images needed for detailed analysis on modern high-pixel sensors.
    • Stability: Locking mechanisms prevent focus drift in vibrating machinery.
    • Durability: Built for factory environments, unlike standard consumer lenses. 
    Examples of Brands: Edmund Optics, Ricoh, KOWA, Umicore (for thermal), UNI Optics offer such lenses. 
    • FA Lens Catalog - Ricoh
      FA lenses for use with 5 mega-pixel resolution and image processing. There are three types, beginning with an 8 mm focal length wi...
      Ricoh
    • FA Lens - UNI Optics
      May 23, 2019 — FA Lens May 24 ,2019. UNI developed own brand 3.0&5.0 Megapixel series of our newest lineup of high end machine vision...
      UNI Optics
    • 8.5mm F1.8 2/3 industry camera lens FA lens machine vision ...
      Product details. 1. Widely used in microelectronics, molds, machinery,watches, jewelry, fingerprint identification, ticket identif...
      Walmart
    • ZLKC 8.5mm Macro Lens SWIR Short Wave Infrared Lens 2/3 Inch ...
      Item description Report Item ... FEATURES: 1. HD 5 megapixel lens,8.5mm Fixed Focal Length Manual lris FA Lens. 2. Format 2/3" Hig...
      AliExpress
    • 8.5mm, 200mm-∞ Primary WD, HR Series Fixed Focal Length Lens
      TECHSPEC HR Series Fixed Focal Length Lenses are perfect for use on high-end 5 MegaPixel and 9 MegaPixel sensors that require reso...
      Edmund Optics
    • 8.5mm C Series Fixed Focal Length Lens - Edmund Optics
      Each lens has a broadband anti-reflection coating, locking iris and focus adjustment with recessed set screws, and a ruggedized, r...
      Edmund Optics
    • 8.5mm C Series Fixed Focal Length Lens - Edmund Optics
      Product Details * Up to 2/3", C-Mount Lens. * Up to 7.5 MegaPixels, 2.8µm Pixel Size Sensors. * Compact (C), FA Lens for Machine V...
      Edmund Optics
    • 8.5 mm f/1.2 M25 | Umicore
      The Umicore GASIR® infrared lens has an 8.5 mm focal length and f/1.2 F-number. It's a passively athermalized super-wide-angle len...
      Umicore | Electro-Optic Materials
    • KOWA LM8JC10M 8.5mm F1.8 2/3 industry camera lens FA ...
      KOWA LM8JC10M 8.5mm F1. 8 2/3 industry camera lens FA lens machine vision lens in good condition - AliExpress.
      AliExpress
    • FA Lens Catalog - Ricoh
      FA lenses for use with 5 mega-pixel resolution and image processing. There are three types, beginning with an 8 mm focal length wi...
      Ricoh
    • FA Lens - UNI Optics
      May 23, 2019 — FA Lens May 24 ,2019. UNI developed own brand 3.0&5.0 Megapixel series of our newest lineup of high end machine vision...
      UNI Optics
    • 8.5mm F1.8 2/3 industry camera lens FA lens machine vision ...
      Product details. 1. Widely used in microelectronics, molds, machinery,watches, jewelry, fingerprint identification, ticket identif...
      Walmart
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    8.5mm C Series Fixed Focal Length Lens


    Edmund Optics
    https://www.edmundoptics.com › 85mm-c-series-fixed-...
    Edmund Optics
    https://www.edmundoptics.com › 85mm-c-series-fixed-...
    TECHSPEC C Series Fixed Focal Length Lenses are optically designed with requirements for factory automation and inspection. ✓ Shop now with Edmund Optics!
    8.5mm FA lens from www.edmundoptics.com

    1 PCS EO 58000 FA fixed focus industrial lens 8.5mm/F1.3


    eBay
    https://www.ebay.com › ... › HMI & Open Interface Panels
    eBay
    https://www.ebay.com › ... › HMI & Open Interface Panels
    Find many great new & used options and get the best deals for 1 PCS EO 58000 FA fixed focus industrial lens 8.5mm/F1.3 at the best online prices at eBay!
    8.5mm FA lens from www.ebay.com

    FA Lens


    UNI Optics
    https://www.uni-optics.com › fa-lens_n38
    UNI Optics
    https://www.uni-optics.com › fa-lens_n38
    UNI developed own brand 3.0&5.0 Megapixel series of our newest lineup of high end machine vision lenses addressing the needs of application using high pixel ...Read more
    8.5mm FA lens from www.uni-optics.com
    People also ask
    What does the mm and F mean on a lens?
    terminology - What do the F and f numbers written on lens ...
    The F 2.6 is the f-stop, "speed" or how light sensitive the lens is. A lower number means more light can hit the sensor. A lower number also means you can easier get the background out of focus. The f=3.8 mm is the focal length of the lens.Aug 16, 2018

    What do the F and f numbers written on lens mean?


    Photography Stack Exchange
    https://photo.stackexchange.com › questions › what-do-t...
    Photography Stack Exchange
    https://photo.stackexchange.com › questions › what-do-t...
    What is 8.5 in contact lenses?
    Medium base curve (8.5–8.7 mm): Suitable for most people with the most common corneal curvature. Large base curve (8.8–9.1 mm): Suitable for flatter or less curved corneas. Choosing the right base curve will ensure that the contact lens adheres well to the eye without causing discomfort.

    To Maximize Eye Comfort, Here's the Right Base Curve! - Optik Melawai


    Optik Melawai
    https://optikmelawai.com › learn › base-curve-lensa-kont...
    Optik Melawai
    https://optikmelawai.com › learn › base-curve-lensa-kont...
    What is an 85mm lens good for?
    An AI Overview is not available for this searchCan't generate an AI overview right now. Try again later.
    AI Overview
    35mm, 50mm, 85mm Comparison | Lens Review ...
    An 85mm lens is excellent for portraits, creating flattering compression, beautiful background blur (bokeh) to isolate subjects, and a cinematic feel, making it a classic choice for headshots, weddings, and lifestyle shots. It's also versatile for street photography, allowing discreet shots from a distance, food photography, focusing on the dish as the star, and even some landscape/travel shots by compressing scenes, though it excels at subject focus over expansive views.
     
    This video explains why the 85mm lens is so popular for portraits:
    1m
    Jason Vong
    YouTube · Nov 1, 2023
    Key Uses & Benefits:
    • Portraits:
      The quintessential portrait lens. It offers flattering perspective, prevents facial distortion, and creates creamy background separation with shallow depth of field (bokeh). 
    • Subject Isolation:
      Its telephoto nature pulls backgrounds closer and blurs them beautifully, keeping focus squarely on the subject. 
    • Cinematic Look:
      The compression and bokeh create a professional, dreamy, and cinematic aesthetic. 
    • Discreet Shooting:
      Allows photographers to maintain distance, ideal for candid moments in street or event photography. 
    • Versatility:
      Works for food (highlighting the main dish), lifestyle, fashion, and even detail-oriented travel/landscape shots. 
    When to Use It:
    • When you want subjects to pop from the background.
    • For flattering headshots or intimate portraits.
    • When shooting events like weddings where you need to be unobtrusive.
    • To add depth and story to food or product shots. 
    Considerations:
    • Distance: You need to back up to frame shots, especially full-body ones. 
    • Not for Wide Scenes: It's less ideal for capturing vast landscapes compared to wide-angle lenses, though it can compress elements within them. 
    • 5 Reasons YOU Should Buy An 85mm Lens
      Oct 26, 2022 — and it's also a great way to frame your subject. you can put objects. between the camera. and the subject that you're ...
      YouTube · 
      Mitch Lally
    • Why 85mm is Such a Useful Focal Length? | Tutorial Tuesday
      Sep 17, 2024 — you actually really compress that scene closer together so you get the background almost pulled towards the lens you'v...
      YouTube · 
      Park Cameras
    • Why You Need an 85mm Lens in 2025
      Nov 1, 2023 — oh that that's still a nice shot it's really hard to take a bad photo a bad portrait with an 85 for sure for almost eig...
      YouTube · 
      Jason Vong
    • Pros & Cons of The 85mm Focal Length in Food Photography.
      Portrait Lens The 85mm focal length is desired the most by portrait and wedding photographers. Its narrow focal length, large maxi...
      Two Loves Studio
    • When to Use the 85mm (And When NOT To)
      Nov 25, 2025 — and then it sort of drops off at the ears which become a little bit soft this requires precision. you have to nail you...
      YouTube · 
      Rebecca Kowalsky
    • 35mm vs 85mm in Portrait Photography: Which is Best?
      Jun 9, 2025 — Portrait-Optimized Frame Grade (A+) The 85mm lens is often regarded as the classic portrait lens due to its flattering ...
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    • 85mm: An All-Round Focal Length for Photographers
      Jul 15, 2025 — Landscape & Travel Photography * Landscape & Travel Photography. You might think that 85mm is too close of a focal le...
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    • 4 Reasons the 85mm is Perfect for Portraits & How to Use It
      Nov 17, 2025 — The 85mm lens is often considered a go-to tool for portrait photographers, and for good reason. Its ability to isolate...
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    Related Links

      AI responses may include mistakes. Learn more
      5 Reasons YOU Should Buy An 85mm Lens
      Oct 26, 2022 — and it's also a great way to frame your subject. you can put objects. between the camera. and the subject that you're ...
      YouTube · 
      Mitch Lally
      Why 85mm is Such a Useful Focal Length? | Tutorial Tuesday
      Sep 17, 2024 — you actually really compress that scene closer together so you get the background almost pulled towards the lens you'v...
      YouTube · 
      Park Cameras
      Why You Need an 85mm Lens in 2025
      Nov 1, 2023 — oh that that's still a nice shot it's really hard to take a bad photo a bad portrait with an 85 for sure for almost eig...
      YouTube · 
      Jason Vong
      Pros & Cons of The 85mm Focal Length in Food Photography.
      Portrait Lens The 85mm focal length is desired the most by portrait and wedding photographers. Its narrow focal length, large maxi...
      Two Loves Studio
      When to Use the 85mm (And When NOT To)
      Nov 25, 2025 — and then it sort of drops off at the ears which become a little bit soft this requires precision. you have to nail you...
      YouTube · 
      Rebecca Kowalsky
      35mm vs 85mm in Portrait Photography: Which is Best?
      Jun 9, 2025 — Portrait-Optimized Frame Grade (A+) The 85mm lens is often regarded as the classic portrait lens due to its flattering ...
      Alison Winterroth Photography
      85mm: An All-Round Focal Length for Photographers
      Jul 15, 2025 — Landscape & Travel Photography * Landscape & Travel Photography. You might think that 85mm is too close of a focal le...
      brianbrownfilm.com
      4 Reasons the 85mm is Perfect for Portraits & How to Use It
      Nov 17, 2025 — The 85mm lens is often considered a go-to tool for portrait photographers, and for good reason. Its ability to isolate...
      SLR Lounge
      Show more
      What is the smallest f-number lens?
      An AI Overview is not available for this searchCan't generate an AI overview right now. Try again later.
      AI Overview
      The lowest f-stop lens commercially available is typically around f/0.95, with specific examples like the TTArtisan 50mm f/0.95 for mirrorless systems, but ultra-rare, specialized lenses exist like the Carl Zeiss Planar 50mm f/0.7 (used by NASA), while some unique, experimental lenses have reached even lower, like the Zeiss Super-Q-Gigantar f/0.33 (a marketing gimmick). These extremely wide apertures gather huge amounts of light for low-light shooting and create very shallow depth of field, but often sacrifice sharpness and make focusing difficult, with f/0.95 lenses often producing soft images when wide open. 
      Key Examples of Low F-Stop Lenses:
      • f/0.95: Leica Noctilux, Voigtländer Nokton (Micro Four Thirds). 
      • f/1.0: Canon EF 50mm f/1.0L (discontinued), Nikon Noct Nikkor 58mm f/1.2 (older, rare). 
      • f/1.2: Common in fast portrait primes (e.g., Canon EF/RF 85mm f/1.2). 
      • f/1.4: Very popular, excellent balance of light and sharpness (e.g., Canon EF 50mm f/1.4, Sony FE 50mm f/1.4). 
      Why Go So Low?
      • Extreme Low-Light:
        Lets in significantly more light than f/1.8 or f/2.8, enabling handheld shooting in dark conditions. 
      • Ultra-Shallow Depth of Field (Bokeh):
        Isolates subjects dramatically from the background, creating a dreamy, blurred look. 
      The Trade-Offs:
      • Softness: Lenses wide open at f/0.95 or f/1.0 are often very soft, requiring stopping down (e.g., to f/1.4 or f/2) for sharpness. 
      • Focus Difficulty: A tiny depth of field makes precise manual focusing extremely challenging. 
      • Cost & Size: These lenses are typically large, heavy, and expensive. 
      For most photographers, lenses in the f/1.4 to f/2.8 range offer the best combination of performance and usability for low light and subject separation, with f/0.95 being for specialized or extreme uses. 
      • Is it worth getting a lens below f/1.8? : r/AskPhotography - Reddit
        May 24, 2023 — So if you're not happy with 1.8, try that. • 3y ago. Personally i don't think below f1.8 is worth it for beginners. F1...
        R
        Reddit · 
        r/AskPhotography
      • TTArtisan 50mm f/0.95: Insanely Low Aperture (Sony E)
        Jan 17, 2024 — typically when you're purchasing a lens the widest. open aperture value that you'll see is 1.4. it's very unusual to s...
        YouTube · 
        Kraig Pruett
      • lens with low F-stop recommendations - Canon Community
        Sep 29, 2023 — As with any large aperture lens depth-of-field (DOF) will be a problem. A 35mm lens will be a better choice but will b...
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        Oct 4, 2024 — Comments Section * berke1904. • 1y ago. the tamron 24-70 2.8 g2 fits this profile perfectly, standart zoom lens with s...
        Reddit
      • What is the smallest f number possible? [duplicate]
        May 9, 2014 — 1 Answer. The most extreme would be a f/0.33 "Super-Q-Gigantar" by Zeiss, but that was purely a marketing gimmick and n...
        Photography Stack Exchange
      • Are there any lenses have smaller apertures than f/32?
        May 30, 2013 — 2. Just in case you wern't aware, there are F-stops below f/1.2 which include f/0.7 and f/1.0 see: en.wikipedia.org/wi...
        Photography Stack Exchange
      • What Is F-Stop & How to Use It for Photography - Adorama
        Apr 26, 2022 — F stops generally range from f/1.4 (let in lots of lot for darker areas) to all the way to f/22 (let in little light f...
        Adorama
      • Amazon.com: Low Aperture Lens Canon
        EF 50mm f/1.4 USM Standard and Medium Telephoto Lens for Canon SLR Cameras, Fixed.
        Amazon.com

      Related Links

        AI responses may include mistakes. Learn more
        Is it worth getting a lens below f/1.8? : r/AskPhotography - Reddit
        May 24, 2023 — So if you're not happy with 1.8, try that. • 3y ago. Personally i don't think below f1.8 is worth it for beginners. F1...
        R
        Reddit · 
        r/AskPhotography
        TTArtisan 50mm f/0.95: Insanely Low Aperture (Sony E)
        Jan 17, 2024 — typically when you're purchasing a lens the widest. open aperture value that you'll see is 1.4. it's very unusual to s...
        YouTube · 
        Kraig Pruett
        lens with low F-stop recommendations - Canon Community
        Sep 29, 2023 — As with any large aperture lens depth-of-field (DOF) will be a problem. A 35mm lens will be a better choice but will b...
        Canon Community
        looking for low f stop lens : r/canon - Reddit
        Oct 4, 2024 — Comments Section * berke1904. • 1y ago. the tamron 24-70 2.8 g2 fits this profile perfectly, standart zoom lens with s...
        Reddit
        What is the smallest f number possible? [duplicate]
        May 9, 2014 — 1 Answer. The most extreme would be a f/0.33 "Super-Q-Gigantar" by Zeiss, but that was purely a marketing gimmick and n...
        Photography Stack Exchange
        Are there any lenses have smaller apertures than f/32?
        May 30, 2013 — 2. Just in case you wern't aware, there are F-stops below f/1.2 which include f/0.7 and f/1.0 see: en.wikipedia.org/wi...
        Photography Stack Exchange
        What Is F-Stop & How to Use It for Photography - Adorama
        Apr 26, 2022 — F stops generally range from f/1.4 (let in lots of lot for darker areas) to all the way to f/22 (let in little light f...
        Adorama
        Amazon.com: Low Aperture Lens Canon
        EF 50mm f/1.4 USM Standard and Medium Telephoto Lens for Canon SLR Cameras, Fixed.
        Amazon.com
        Show more
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        4/3'' 10MP 8.5mm ultra-wide-angle high-resolution FA lens


        Foshan Huaguo Optical Co., Ltd.
        https://en.fshuaguo.com › product
        Foshan Huaguo Optical Co., Ltd.
        https://en.fshuaguo.com › product
        4/3'' 10MP 8.5mm ultra-wide-angle high-resolution FA lens · Product Description · Detailed Specifications · Optical Performance · Structure and Shape. Previous ...Read more
        8.5mm FA lens from en.fshuaguo.com

        Industrial camera lens, focal length 8.5mm, f/2.8, C mount, 1.1- ...


        AliExpress
        https://www.aliexpress.com › item
        AliExpress
        https://www.aliexpress.com › item
        Industrial camera lens, focal length 8.5mm, f/2.8, C mount, 1.1-inch sensor, 10 mega pixels FA lens in good condition IDS. by Dpwestek Industry Ma.

        Fixed Focal Length Lenses (FA)


        Edmund Optics
        https://www.edmundoptics.com › ... › Imaging Lenses
        Edmund Optics
        https://www.edmundoptics.com › ... › Imaging Lenses
        High Resolution (HR), FA Lens for Machine Vision; 8.5mm to 35mm Focal Length. Blue Series M12 Lenses. TECHSPEC® components are designed ...Read more

        8.5mm F1.8 2/3 industry camera lens FA lens machine ...


        Walmart
        https://www.walmart.com › ... › Camera Lenses
        Walmart
        https://www.walmart.com › ... › Camera Lenses
        8 2/3 industry camera lens FA lens machine vision lens in good condition ,High-Definition Imaging. Free shipping; Free Holiday returns until Jan 31.Read more
        8.5mm FA lens from www.walmart.com

        8.5mm 2/3" F1.4 Wide Angle C Mount IR Lens for Solar Energy


        Alibaba.com
        https://www.alibaba.com › ... › CCTV Lenses
        Alibaba.com
        https://www.alibaba.com › ... › CCTV Lenses
        8.5mm 2/3" F1.4 Wide Angle c Mount Short Wavelength Infrared IR 8mm Cmount Fa CCTV Lenses Lens for Solar Energy Generation.

        8.5mm C Series Fixed Focal Length Lens


        Edmund Optics
        https://www.edmundoptics.eu › 8.5mm-c-series-f...
        Edmund Optics
        https://www.edmundoptics.eu › 8.5mm-c-series-f...
        PDF
        Each lens has a broadband anti-reflection coating, locking iris and focus adjustment with recessed set screws, and a ruggedized, robust housing for space- ...Read more

        1PC used EO 58000 FA Prime focus Industrial lens 8.5mm/F1.3 ...


        eBay
        https://www.ebay.com › ... › PLC Processors
        eBay
        https://www.ebay.com › ... › PLC Processors
        1PC used EO 58000 FA Prime focus Industrial lens 8.5mm/F1.3 #LM ; Est. delivery. Mon, Dec 8 - Mon, Dec 22. From china, China ; Returns. Accepted within 30 days.

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