OPTOLONG SII 6.5nm NARROWBAND FILTER Size:2" This Prima Luce Lab M48

This Prima Luce Lab M48 extension has an optical thickness of 9mm

12V power supply cable with lighter plug

2 x M5 socket cap head screws - 35 - 40mm thread length

To optimize the power absorption

iEQ30 with adapter #30H151

OPTOLONG SII 6.5nm NARROWBAND FILTER Size:2" This Prima Luce Lab M48The Optolong SII 6. 5nm narrowband filter boosts the contrast of emission nebulae and supernova remnants for professional results, even under a bright sky affected by light pollution. This filter is used in combination with the H Alpha and SII filter to combine a narrowband colour image. The 6. 5nm band pass is only 2% of the entire visible spectrum, increasing the signal to noise ratio and delivering high contrast images and extremely dark