ANTLIA OIII 3nm PRO ULTRA NARROWBAND FILTER Solar your telescope’s optical axis will

your telescope’s optical axis will not be perfectly perpendicular to the declination axis

340 g each

Does not include a tripod or Tri-Pier

A deformation like this can be easily caused just by moving around the barycenter of a non-perfectly balanced telescope

6" RMS with itnernal 25-stars model (REAL sky observations

ANTLIA OIII 3nm PRO ULTRA NARROWBAND FILTER Solar your telescope’s optical axis willThe new Antlia O III 3nm PRO ultra narrowband it is the latest filter produced by Antlia. This filter boosts the contrast of emission and planetary nebulae, Wolf Rayet nebulae and supernova remnants for professional results, even under a bright sky affected by light pollution. The 3. 0 nm band pass is only 1% of the entire visible spectrum, increasing the signal to noise ratio and delivering high contrast images and extremely dark backgrounds. To even