in stock
in stock

LOMO primary mirror - 350/1890mm - f/5,4 - LK5/Pyrex

3.151,26 EUR
excl. VAT
excl. 12,00 € Shipping costs


Parabolic primary for Newtonians - made by LOMO - Russia - with new 97% Coating
Diameter 350mm / 14" / focal length 1890mm ..... 97% reflectivity ... with original LOMO Interferogram

Intes Mikro Hauptspiegel

The substrate ... Low expansion LK5 - Russion equivalent to PYREX - this material has an excellent thermal behaviour. LK5 blanks are very homogenous and they are used for a long time to make quality mirrors.

Fast cool-down ... the low thermal expansion rate will be assisted by the low thickness of the mirror which enable a short cool-down period, typically about 50% of the time for full thickness mirrors to reach thermal equilibrium. Hence the telescope is quicker ready to go for observation and photography.

Technical data:

-- Diameter ... 350mm
-- Focal length ... 1890mm
-- Focal ratio ... 5,4
-- Mirror substrate ... LK5
-- Reflectivity ... 97%
-- Original LOMO Certificate


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