# Council Regulation (EC) No 428/2009 of 5 May 2009 setting up a Community regime for the control of exports, transfer, brokering and transit of dual-use items (Recast), Division [6B004]: Optical equipment as follows:


a..Equipment for measuring absolute reflectance to an "accuracy" of equal to or less (better) than 0,1 % of the reflectance value;
b..Equipment other than optical surface scattering measurement equipment, having an unobscured aperture of more than 10 cm, specially designed for the non-contact optical measurement of a non-planar optical surface figure (profile) to an "accuracy" of 2 nm or less (better) against the required profile.
Note:
6B004 does not control microscopes.

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Source: https://www.legislation.gov.uk/eur/2009/428/annex/I/division/8/division/2/division/6B004 (the official version)
Page: https://openlegislation.uk/eu-regulation-2009-428/annex-I/division-8/division-2/division-6B004
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.