SIGMAKOKI Negative achromatic lens DL-25 series

Sebelum PPN:
Rp2.499.900

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Informasi Produk

Description
This is an achromatic lens with a negative focal length. By bonding two lenses with different wavelength dispersion of refractive indexes together to make a single concave lens, it is possible to reduce chromatic aberration and spherical aberration compared to a single spherical lens.
Feature
Specification
[Common Specifications for Negative Achromatic Lenses] Material: N-BAF10/N-SF10, Design Wavelength: 486.1nm, 546.1nm, 656.3nm, Coating: Anti-reflective coating, Adhesive: UV-curing adhesive, Laser Damage: 0.3J/cm2, Scratch-Dig: 40-20, Effective Diameter: 90% of outer diameter, [Individual Specifications] Outer Diameter DIAD: DIA25mm, Focal Length f: -99.94mm, Center Thickness tc: 4.6mm, Edge Thickness te: 5.9mm, Back Focus: -102.32mm, Eccentricity: < 3'

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