1pc K9 Optical Glass Double-Convex Lens, Magnifier, Focal Length 40/50/150/200 mm (D19 F20 C4 E1.5)

Description

• Diameter options: 2058 mm, available in multiple sizes for various viewing scenarios.
• Material: K9 optical glass for clear, distortion-free magnification.
• Use: Designed for optical applications, precision tasks, and detailed inspections.
• Structure: Double-convex design for enhanced clarity and magnification performance.
• Focal length range: 40200 mm for various magnification requirements.

Specifications: D = diameter, F = focal length, C = center thickness, E = edge thickness. Unit: mm. Example: D20 F40 C4.3 E2.5 means a diameter of 20 mm, focal length of 40 mm, center thickness of 4.3 mm, and edge thickness of 2.5 mm. Manual measurement; error within 0.3 mm. Material: K9 optical glass. Package includes: 1 lens. Note: Both sides of the lens are convex, but the convex height of the two sides may not be equal on some lenses. Highly hazardous chemical: None. Model number: K9 biconvex lens. Structure: Double-convex. Material: Glass. Origin: Mainland China. Shape: Aspheric. Certification: None. Use: Optical.

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