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  • FUSED SILICA - QUARTZ - BLANKS & MIRRORS

FUSED SILICA – QUARTZ – BLANKS and MIRRORS


Grinded Quartz blanks

For those who want to make their own telescope we offer the possibility to do it using one of the best materials, and certainly the best considering its characteristics in relation to its cost.

Our Fused Silica – Quartz – blank characteristics:

Density: 2.21 kg/dmc

Purity:  SiO2>99.99%  –  OH content: less than 120 ppm

CTE – Thermal expansion coefficient:  5.4 x 10-7/°K

Bubbles:

– micro-bubbles diam. < 0.3 mm: negligible
– bubbles  0.3 mm < diam. < 0.5 mm:   < 5 
– bubbles  0.5 mm < diam. < 1.0 mm:   < 3 

Quartz Blank Prices

-Outer diameter 308 mm +/- 0,2 mm; Thickness  36 mm +/- 0,5 mm:     € 1.167,00 + VAT

-Outer diameter 360 mm +/- 0,2 mm; Thickness 40 mm +/- 0,5 mm:     € 1.593,00 + VAT

-Outer diameter 410 mm +/- 0,2 mm; Thickness 46 mm +/- 0,5 mm:      € 1.896,00 + VAT

-Outer diameter 462 mm +/- 0,2 mm; Thickness 50 mm +/- 0,5 mm:     € 2.475,00 + VAT

-Outer diameter 515 mm +/- 0,2 mm; Thickness 58 mm +/- 0,5 mm:     € 3.382,00 + VAT

NOTE: We can supply blanks up to 1 m in diameter.

We can supply optimized lightweight Quartz blank. Ask for a quote.

Prices refer to cylindrical plano/plano tolerated grinded discs.
Blanks of customized dimensions (diameter and thickness) can be supplied.
Additional workings such as holes or chamfers can be carried out with additionl costs

Wood box for shipment:  included

Shipment cost: not included

ASK for MORE INFO PRE-ORDER

Lightweight Quartz Blank

We can supply optimized lightweight Quartz blank.

Extremely low thermal expansion glass + back lightweight blank for fast thermal equilibrium, minimum mirror seeing, less weight. Only the best.

Ask for a quote.

ASK for MORE INFO

Telescope Quartz Mirrors

For those who want a polished and coated, Near to Zero Thermal expansion mirror for their own high-end telescope, now we can supply it.

  • Parabolic mirrors 250 to 650 mm
  • Spherical mirrors 250 to 650 mm
  • Classic Cassegrain system up to 650 mm
  • RC system up to 650 mm

All mirrors made from our High grade Quartz Blanks with the characteristics above.

  • Standard SiO2 coating [Reflection % Rabs > 88% for 500-600 nm   Ravg >85% for 400-700 nm]
  • Alum. Enanced coating [Reflection % Rabs > 93% for 500-600 nm   Ravg >89% for 400-700 nm]
ASK for MORE INFO and QUOTE
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  • QUARTZ BLANKS & MIRRORS
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  • CUSTOM PROJECT
  • LIGHTWEIGHT MIRROR
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Telescopi Italiani

NOTHING WILL BE SEEN AS BEFORE

Email: info@italiantelescopes.net

Telescopi Italiani s.r.l.

Registred Office:

Via Boezio 16 – 00165 Roma – Italy

 

Operational Headquarter:

Via Trento e Trieste 39 – 56042 Crespina (PI) – Italy Phone: +39 342 8012938

 

Japan Correspondence Office:

304 Sanwa Plaza 1-14 27, Ninomiya-cho Chuo-ku, Kobe, Hyogo, JAPAN. Phone: +81 80-3786-3618

____________________

P.IVA 12695391008  SDI: SUBM70N

 

Product Series

  • TI 35 ASTROGRAPH
  • TI 45 ASTROGRAPH
  • TI 55 ASTROGRAPH
  • TI 65 ASTROGRAPH
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