Bresser National Geographic Galilean Manual De Instrucciones página 13

Diopter setting (Roof):
g
Fig. 4a
Rubber eyecups:
Fig. 5a
Tripod Mount Adapter (not included)
Fig. 6

+
0
Diopter setting (Porro):
g
Fig. 4b
TwistUp eyecups:
Fig. 5b
Remove front cap and attach
as shown
13