ANTLIA 3nm PRO ULTRA NARROWBAND SET Ha + OIII + SII Barlow Note: Due to the many

Note: Due to the many different dovetail bars on the market and different manufacturers' tolerances

This adapter allows you to connect the QHY PoleMaster electronic polar alignment scope to the Takahashi EM400 mount

External Diameter: 90 mm

GM4000HPS mounts

ANTLIA 3nm PRO ULTRA NARROWBAND SET Ha + OIII + SII Barlow Note: Due to the manyThe new Antlia 3nm Ultra Narrowband filters boost the contrast of emission nebulae and supernova remnants for professional results, even under a bright sky affected by light pollution. The 3nm bandpass is only 1% of the entire visible spectrum increasing the signal to noise ratio delivering high contrast images and extremely dark backgrounds. To even further enhance the contrast, and suppress the stray light and internal reflections, Antlia applies