OPTOLONG OIII 6.5nm NARROWBAND FILTER M54 the counterweight is provided with

the counterweight is provided with a not-protruding set screw

Keypad control Rugged keypad with metal housing

With amp glow – exposure of 300 seconds:

ALL SPECIFICATIONS ARE PRELIMINARY AND SUBJECT TO CHANGE

Mount modeling with up to 100 stars / points

OPTOLONG OIII 6.5nm NARROWBAND FILTER M54 the counterweight is provided withThe Optolong OIII 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