High Clarity BK7 Optical Glass Magnifying Lens with Anti-Reflective Coating for Hobby Use
High Clarity BK7 Optical Glass Magnifying Lens with Anti-Reflective Coating for Hobby Use
1. Core Product & Material Foundation
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Product Identity: "Magnifying Lens" is the universal, easily understood term for this product, ensuring it is found by a broad audience seeking basic magnification.
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Material Specification: "BK7 Optical Glass" provides critical technical specificity. "BK7" is the industry-standard designation for a common, high-quality borosilicate crown glass known for its good homogeneity and transmission. This reassures buyers of its material superiority over plastic or inferior glass.
2. Key Optical Property & Surface Enhancement
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Lead Optical Property: "High Clarity" is the primary benefit. It promises minimal distortion, color fringing, and excellent light transmission, which is the most sought-after quality in any magnifying tool.
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Performance Enhancement: "with Anti-Reflective Coating" is a significant added-value feature. AR coating reduces glare and reflections, increasing light throughput and improving contrast and viewability, especially under bright lights. This combination ("High Clarity" + "AR Coating") defines a premium visual experience.
3. Defined Functional Application
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Target Audience & Use Case: "for Hobby Use" is a crucial market-positioning phrase. It clearly directs the product away from industrial or scientific instrumentation markets and towards the consumer and enthusiast segment. This includes activities like:
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Stamp, Coin, and Jewelry Collecting
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Model Building and Miniature Painting
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Reading Fine Print or Detailed Artwork
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General Inspection of Small Objects
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| Name | optical glass |
|
Material |
Optical Glass,Bk-7,Pyrex,Fused Silica,Sapphire,quartz |
| Diameter Tolerance | +0/-0.2 mm |
| Thickness Tolerance | +/-0.2 mm |
| Cler Aperture | over 90% |
| Flatness | ^/4 @632.8nm |
| Surface Quality | 80/50~10/5 scratch and dig |
| Transmission | above 92% |
| Chamfer | 0.1-0.3 mm x 45 degree |
| Focal Length Tolerance | +/-2% |
| Back Focal Length Tolerance | +/-2% |
| Coating | available |
| Usage |
opticl system, photographic sysem, Lighting system,Electronic apparatuse.g.laser,camera,monitor,projector,magnifier, telescope,polarizer,electronic instrument,led etc. |
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