OPTOLONG LRGB FILTERS Size:36mm This allows for the use

This allows for the use of the photographic reflector on visual observations and high resolution imaging of planets and the moon

5 mm Material

5mm (male thread)

the Veloce Series has a fix focal position versus temperature shift during imaging sessions

1mm female jack)

OPTOLONG LRGB FILTERS Size:36mm This allows for the useOptolong LRGB filters are specially designed for deep space photography with monochrome cameras. The strict manufacturing process and the quality control guarantees a tight tolerance of the filter thickness ( 0. 05mm) which makes these filters parfocal. This allows the filter change without the need to significantly refocus. Each filter is fully multi coated to minimise internal reflections, halos around stars and to assure a high transmission which