i-line Glass

Built on nearly 100 years of optical material development, Nikon uses a combination of high-purity raw materials and Nikon's specialized equipment to achieve high transmittance at 365 nm (i-line).

Features

Applications

Lenses and optical components for:

Product line-up

Glass type 4786 5859 5742 5165 7054
Refractive index
nd
1.47410 1.59042 1.57653 1.51183 1.70623
Dispersion
νd
86.8 59.5 42.1 65.0 54.7
10 mm internal transmittance
(365 nm) τi
99.8% 99.7% 99.5% 99.6% 99.4%
Refractive index
ni
1.48726 1.61450 1.61265 1.53073 1.73811
Variation of ni within a single lot
(X10-5)
2 2 2 10 10
Optical homogeneity guaranteed
(Δn)
(X10-6)
~Φ100
mm
1 1 1 - -
~Φ200
mm
1 1 1 - -
~Φ280
mm
2 2 2 - -
Solarization Good Good Good Good Good
Data sheet
nd-νd diagram

Transmittance

Click here for details of each product.

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