SVBONY SV106 50mm Guide Scope with Mount Rings | F9177A kit Always use a contrasting color

Always use a contrasting color to what you are observing

and the adjustable stem

activating your heating elements precisely when needed

the filter is also highly effective with monochrome cameras to save imaging time

you are likely to require relatively longer exposures times and larger aperture telescope with this filter than with other filters

SVBONY SV106 50mm Guide Scope with Mount Rings | F9177A kit Always use a contrasting colorSpecifications Model F9177A Aperture 50mm 1. 97in Focal Length 190mm 7. 48in Focal Ratio F3. 8 Coating Fully multi coated Type of Telescope Achromatic Refractor Best for imaging Deep sky Focuser Helical Focuser with 8 mm Travel Connection to eyepiece 1. 25inch Tube diameter 54. 5mm Total Length 240mm Included accessories Tube Rings and Dovetail Rail