Per ditte italiane:

Avviso per manifestazione di interesse per l’affidamento della fornitura di:

1x LGS K-prism – un Reversion Prism a 30deg (15mmx54mmx29.5mm) per il sensore di fronte d'onda (WFS) a Laser Guide Star (LGS) operante in un fascio F/20 monocromatico (589nm);
1x NGS K-prism – un Reversion Prism a 30deg (12mmx37mmx20.5mm) per il WFS a Natural Guide Star (NGS) operante in un fascio collimato nella banda 600nm-1000nm;
1x ADC1 double prism – un doppio prisma cementato (diam 20mm) usato come promo componente used as first component del Correttore di Dispersione Atmosferica (ADC) del NGS WFS, operante in un fascio F/20 nella banda 400nm-1000nm (optimized for 600nm-1000nm);
1x ADC2 double prism – un doppio prosma cementato (diam 20mm) usato come secondo componente dell'ADC del NGS WFS, operante nello stesso fascio di ADC1;
1x Periscope prism – un prosm romboidale a 45deg usato come periscopio nel NGS WFS in un fascio F/20 con banda 400nm-1000nm.

mediante procedura negoziata, previa consultazione, ai sensi dell’art. 36, comma 2 del d.lgs. n. 50/2016.

Scadenza per l'invio della manifestazione di interesse: prorogata al 15 Gennaio 2018.

For non-italian companies:

Call for expression of interest to tender for the supply of:

1x LGS K-prism – a 30deg Reversion Prism (15mmx54mmx29.5mm) for the Laser Guide Star (LGS) WaveFront Sensor (WFS) working in a F/20 monochromatic (589nm) beam;
1x NGS K-prism – a 30deg Reversion Prism (12mmx37mmx20.5mm) for the Natural Guide Star (NGS) WFS working in a collimated beam with 600nm-1000nm wavelength range;
1x ADC1 double prism – a cemented double prism (diam 20mm) used as first component of the NGS WFS Atmospheric Dispersion Corrector (ADC) to be used in a F/20 beam with 400nm-1000nm wavelength range (optimized for 600nm-1000nm);
1x ADC2 double prism – a cemented double prism (diam 20mm) used as second component of the NGS WFS ADC to be used in the same beam as ADC1;
1x Periscope prism – a 45deg rhomboid prism to be used as NGS WFS periscope in a 400nm-1000nm F/20 beam.

using a negotiated procedure, by previous consultation, within the meaning of article 36, Paragraph 2 of Law by Decree no 50/2016.

Due-date for the submission of the expression of interest: extended to 15 January 2018.