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High Clarity Optical Double Convex Magnifying Glass for Stamp and Coin Collectors

    Buy cheap High Clarity Optical Double Convex Magnifying Glass for Stamp and Coin Collectors from wholesalers
     
    Buy cheap High Clarity Optical Double Convex Magnifying Glass for Stamp and Coin Collectors from wholesalers
    • Buy cheap High Clarity Optical Double Convex Magnifying Glass for Stamp and Coin Collectors from wholesalers
    • Buy cheap High Clarity Optical Double Convex Magnifying Glass for Stamp and Coin Collectors from wholesalers
    • Buy cheap High Clarity Optical Double Convex Magnifying Glass for Stamp and Coin Collectors from wholesalers
    • Buy cheap High Clarity Optical Double Convex Magnifying Glass for Stamp and Coin Collectors from wholesalers

    High Clarity Optical Double Convex Magnifying Glass for Stamp and Coin Collectors

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    Brand Name : LONGWAY
    Model Number : LW241231
    Certification : ISO9001
    Price : NEGOTIATION
    Payment Terms : T/T,Western Union
    Supply Ability : 30000 Pieces per Month
    • Product Details
    • Company Profile

    High Clarity Optical Double Convex Magnifying Glass for Stamp and Coin Collectors



    High Clarity Optical Double Convex Magnifying Glass for Stamp and Coin Collectors



    1. Material Composition:

    • Optical-Grade Glass: High-transparency, low-impurity borosilicate or crown glass with minimal distortion.

    • Double-Convex Design: Precisely ground and polished curved surfaces on both sides for superior magnification and reduced spherical aberration.


    2. Key Properties:

    • High Magnification Power: Ranges from 5x to 20x magnification for detailed inspection of fine textures, engravings, and defects.

    • Exceptional Clarity: >99% light transmission with anti-reflective coating to minimize glare and eye strain.

    • Minimal Distortion: Achromatic design corrects color fringing for true-to-life color accuracy.

    • Ergonomic Design: Lightweight, scratch-resistant, and often paired with built-in LED illumination for low-light environments.


    3. Core Functions:

    • Detail Inspection: Enables precise examination of micro-features (e.g., stamp perforations, coin mint marks, and surface wear).

    • Authentication: Critical for detecting counterfeits, alterations, or hidden details in collectibles.

    • Portable Analysis: Handheld or stand-mounted designs for versatile use in fieldwork or displays.


    4. Applications:

    • Stamp Collecting: Inspecting perforations, watermarks, and printing quality of rare stamps.

    • Coin Grading: Evaluating mint luster, scratches, and edge lettering for NGC/PCGS grading standards.

    • Antique Appraisal: Jewelry, vintage documents, and small artifact examination.

    • Hobbyist Use: Model building, engraving, and electronics repair.


    ItemOptical magnifying lens
    MaterialOptical glass, Qurartz glass, Pyrex, borosilicate glass, Float glass
    Diameter Tolerance+0/-0.2 mm
    Thickness Tolerance+/-0.2 mm
    Processedby grinding, polishing
    Surface Quality80/50,60/40
    Material Qualityno scratches and air bubble
    Transmissionabove 90%
    Chamfer0.1-0.3 mm x 45 degree
    Surface CoatingAvailable
    UsagePhotography, Lighting system, Electronic apparatus





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