Vespera Dual Narrowband Filter Am3 Alignment Methods: 2-Star Align

Alignment Methods: 2-Star Align

The deeper the object is

1: Set 60mm above the 2" receptacle has proven to be very versatile

Optical coating: multi-compensated

Vespera Dual Narrowband Filter Am3 Alignment Methods: 2-Star AlignThe Vespera Dual Band Filter is a dual narrowband filter that will significantly improve your photo quality whether you are viewing from an urban or a dark sky environment. By only allowing light which are very precisely the wavelengths of Hydrogen Alpha (H alpha) and Oxygen III (O III), found mainly in deepspace nebulae, the filter will increase the contrast between the object and the sky background. Therefore, using it makes it possible to obtain a