Perfect for both Terrestrial and Astronomical viewing combine.
This diagonal allows view at 45 degree for convenient terrestrial viewing, for those who prefer easy 45 degree terrestrial viewing.
Threaded for photo-visual colour filters.
Perfect for both Terrestrial and Astronomical viewing combine.
This diagonal allows view at 45 degree for convenient terrestrial viewing, for those who prefer easy 45 degree terrestrial viewing.
Threaded for photo-visual colour filters.
