ANTLIA 2.5nm ULTRA NARROWBAND 2" SET Ha + OIII + SII BA20 08 arc seconds (200 PPS)

08 arc seconds (200 PPS) Transmission Synchronous belt Latitude adjustment range 0º ~ 60º (special CW shaft mounting if <10° ) Azimuth adjustment range ± 6º Polar Scope Internal iPolar electronic polar scope Level indicator Level bubble Hand Controller Go2Nova 8407+

The focuser comes with pre-installed motor that can be controlled with the EFA hand control or PWI PC software

the azimuth and altitude axis can be fine adjusted for a precise polar alignment

Orion and other Newtonians and Dobsonian telescopes with secondary mirrors glued to holders in form of a stalk of almost the diamater of the secondary

Use the rotary knob 2 to switch between the rear port 3 and the top port 4

ANTLIA 2.5nm ULTRA NARROWBAND 2" SET Ha + OIII + SII BA20 08 arc seconds (200 PPS)The Antlia 2. 5nm Ultra narrowband 2" filters have a FWHM (full width half maximum) of an incredible 2. 5nm +0. 3 0. 1nm and a high transmission efficiency of > 92 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 can