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Frequently Asked Questions

Yes, polished samples of the HEBO filters are available from stock in Aalen / Germany of those types where the corresponding Schott designation is shown on the tables.

The characteristics of Blue Glass are listed in the table provided, including thickness, chemical stability, refractive index, density, and more.

The wavelengths and transmittance percentages for Blue Colored Filter Glass B 01, B 02, B 03, and B 05 are listed in the table provided.

Blue Colored Filter Glass B 01 is a polished filter manufactured according to customer specifications, available in thicknesses from 0.5 up to 10.0 mm and edgelengths from 2.0 up to 200.0 mm.

The indication of the equivalent filter glasstype of Schott or Hoya is only informative – this does not imply that the filter glasstypes from Hebo is 100% identical with the Schott or Hoya glasses.

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