ANTLIA SII 2.5nm ULTRA NARROWBAND FILTER 2" pier Thread the provided grub screw

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

25″ mounted or 31mm unmounted filters

leading to sharper and brighter images

The Prima Luce Lab dew heater for 150mm tubes can be tightly locked around your optical tube by using the velcro patch

blocking interference from other wavelengths and minimizing halos around bright stars

ANTLIA SII 2.5nm ULTRA NARROWBAND FILTER 2" pier Thread the provided grub screwThe 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