Helios apollo 15x85 ms observation binoculars
The helios apollo 105x70 ms observation binoculars are high quality waterproof nitrogen filled observation binoculars suitable for medium to long range terrestrial and astronomical observations featuring bak 4 prisms the binoculars have a multi coated optical system that allows for 92 light transmission and distortion free images built into the binoculars is a tripod mounting bush and threaded eyepiece units to allow for filters the long eye relief and fold down rubber eyecups make these