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      CA-LH8

      High-resolution Low-distortion Lens 8 mm
      In Stock
      Ships by Sunday, September 13
      Fast Shipping Available

      Product Describe：

      KEYENCE CA-LH8 is a high-resolution, low-distortion 8 mm C-mount machine-vision lens. It forms the optical path between a compatible area camera and the inspected target for wide-field imaging and geometric inspection.

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      Technical specifications Information Technical notes FAQ

      Technical specifications for CA-LH8

      Technical specifications for CA-LH8

      • Manufacturer:
        KEYENCE
      • Product Category:
        General Automation
      • Spare Part Number:
        CA-LH8
      • Estimated shipping dimensions:
        4.8x3x4cm
      • Weight:
        0.05 kg
      • Tariff Code:
        8537101190
      • Counliy of origin:
        Japan
      • Focal length:
        8 mm
      • F-stop range:
        F1.4 to F16
      • Minimum working distance:
        0.1 m
      • Lens mount:
        C-mount
      • Filter size:
        27.0 mm P0.5
      • Compatible image sensor:
        2/3 inch
      • TV distortion, 2/3 inch:
        -0.6%
      • TV distortion, 1/3 inch:
        -0.28%
      • Resolving power, center:
        100 cycles/mm
      • Resolving power, periphery:
        80 cycles/mm
      • Ambient temperature:
        0 to +50 degC
      • Ambient humidity:
        80% RH or less, non-condensing
      View as PDF Ask for Quote

      Information

      Information

      Overview Manuals Common Applications Product Precautions
      High-resolution Low-distortion Lens 8 mm provides the documented interface for its installed KEYENCE CA-L machine-vision lens system system.
      • Provides an 8 mm focal length for wide machine-vision fields
      • Uses a C-mount mechanical camera interface
      • Covers compatible image sensors up to 2/3 inch
      • Resolves 100 cycles/mm at the center and 80 cycles/mm at the periphery

      Forms the imaging path for a compatible KEYENCE area-camera inspection system while limiting geometric distortion across the documented sensor format. The installation uses the manufacturer-specified host position, companion hardware and field/control wiring for the intended industrial application.

      System commissioning includes identity checks, connection verification, controlled energization and functional diagnostics for CA-LH8.

      Important Notice: Confirm the complete CA-LH8 marking, approved system arrangement, connection records and controlled functional test before commissioning or replacement.

      Apter Power CA-LH8 Manuals and Guides
      Apter Power CA-LH8 Product Technical Reference PDFCA-LH8 Engineering Installation and Verification Workbook
      The first document organizes model-specific technical identity and engineering data. The second provides a separate field workflow for installation, connection checks and commissioning records.
      Wide-field component presence inspectionCompatible KEYENCE area camera supports the engineered CA-LH8 arrangement.
      Low-distortion dimensional gaugingC-mount camera interface supports the engineered CA-LH8 arrangement.
      Orientation and assembly verification27 mm P0.5 optical filter supports the engineered CA-LH8 arrangement.
      High-resolution packaging inspectionClose-up ring when required by the named camera supports the engineered CA-LH8 arrangement.
      Read the applicable KEYENCE installation instructions before work. Verify CA-LH8 and the installed-system configuration.
      1Verify the CA-LH8 marking and the 8 mm focal-length designation before removing the installed lens.
      2Power down the camera and protect the image sensor opening from dust while the C-mount is exposed.
      3Do not touch the optical surfaces; use clean lens-handling methods for the front and rear elements.
      4Maintain a working distance of at least 0.1 m when establishing the inspection geometry.
      5Use a close-up ring at least 1.5 mm thick when CA-LH8 is paired with CV-020, CV-070, CV-035C/M or CV-H035C/M.
      6Confirm that the selected camera sensor does not exceed the documented 2/3-inch compatible format.
      7Set aperture and illumination together, then refocus before saving the revised inspection program.
      8After installation, verify focus, field coverage and geometric measurement against the approved target.

      Technical notes

      Technical notes

      Thread CA-LH8 fully into the C-mount without loading the optical barrel, set the working distance at or above 0.1 m, and use a close-up ring of at least 1.5 mm with CV-020, CV-070, CV-035C/M or CV-H035C/M cameras.

      FAQS

      • What focal length does KEYENCE CA-LH8 provide?
        KEYENCE specifies an 8 mm focal length for CA-LH8.
      • Which camera mount is required for KEYENCE CA-LH8?
        CA-LH8 uses a C-mount camera interface.
      • What sensor size can KEYENCE CA-LH8 cover?
        The official KEYENCE specification lists compatibility with image sensors up to 2/3 inch.
      • What working distance should be maintained with KEYENCE CA-LH8?
        The documented minimum working distance is 0.1 m; final focus and field coverage must be verified on the installed camera.
      • Which aperture range is available on KEYENCE CA-LH8?
        The official CA-LH8 specification lists an F-stop range from F1.4 to F16.
      • Does KEYENCE CA-LH8 require a close-up ring on every camera?
        No. KEYENCE specifically requires a close-up ring of at least 1.5 mm for CV-020, CV-070, CV-035C/M and CV-H035C/M pairings.
      • How should KEYENCE CA-LH8 be checked after replacement?
        Verify focus, field of view, image sharpness and the approved measurement or inspection result before returning the vision system to production.
      • What filter thread is provided on KEYENCE CA-LH8?
        KEYENCE specifies a 27.0 mm filter thread with P0.5 pitch.
      Trusted by 5,000+ plants worldwide | Backed by our vast inventory of top-tier control parts, modules and cards, fast shipments are dispatched to cover your urgent needs. ABOUT US >>
      Disclaimer: We are not an authorized distributor or distributor of the product manufacturer of this website, The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because our company is not an authorized distributor of this product, the Original Manufacturer`s warranty does not apply.While many DCS PLC products will have firmware already installed, Our company makes no representation as to whether a DSC PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Our company also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from our company, its distributors, or any other source. Our company also makes no representations as to your right to install any such firmware on the product. Our company will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

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