ANTLIA SII 2.5nm ULTRA NARROWBAND FILTER 2" pier The Testar Dew Heater Power

The Testar Dew Heater Power Regulator allows you to finely adjust the power of dew heater straps

The precision helical focuser has a 10mm travel while the fast focus device has a 30mm excursion

blocking interference from other wavelengths and minimizing halos around bright stars

Thread the provided grub screw through the centre hole on the EQ8 / CQ350's base so that it is flush with the top side of the plate

ANTLIA SII 2.5nm ULTRA NARROWBAND FILTER 2" pier The Testar Dew Heater PowerThe Antlia Sulphur II 2. 5nm Ultra narrowband 2" filter has a FWHM (full width half maximum) of an incredible 2. 5nm +0. 3 0. 1nm and a high transmission efficiency of > 95% at the central wavelength. These filters are made from quartz glass which has an ultra low thermal expansion coefficient and outstanding thermal and mechanical properties. Utilizing Antlia's precisely controlled advanced coating process, these filters are exceptionally durable and