Ring med innerdiameter 45 mm.
Kowas sortiment:
Genesis Prominar 8.5x44/10.5x44
Övriga märken/modeller:
Leica Geovid HD-R/HD-B 8x42/10x42/8x56
Nikon Prostaff 5 10x50/12x50
Nikon Aculon A211 10x50/8x42
Nikon Action EX 10x50
Minox BL HD 8x44/10x44/8x52/10x52
Minox BV 8x44/10x44
Opticron Discovery WP DC 8x42/10x42/8x50/10x50