Vaonis Vespera Dual-Band Filter ED allowing you to capture faint

allowing you to capture faint nebulae or comets in a very short time

imaging use         52

4 μm RMS across FOV Optical Coatings StarBright XLT Off-axis Illumination 83% at 21mm (

but slightly to either side

25" cylinder-type guiding cameras

Vaonis Vespera Dual-Band Filter ED allowing you to capture faintThe Vespera Dual Band Filter is a dual narrowband interference filter that will significantly improve your photo quality whether you are viewing from an urban or natural environment. By selecting very precisely the wavelengths of Hydrogen Alpha (H alpha) and Oxygen III (O III), found mainly in nebulae, the filter will increase the contrast between the Stellar object and the sky background. Thus, its use makes it possible to obtain a higher quality