SkyMaster 15x70 Binoculars Refractor 1800 mm focal length (f/4

1800 mm focal length (f/4

Also works with GPS units

83") Interpupillary Distance (min): 58mm (2

There are several aspects that have to come together when observing at high powers: good-to-perfect atmospheric seeing conditions

9") Exit Pupil 4mm - 1

SkyMaster 15x70 Binoculars Refractor 1800 mm focal length (f/4LIMIT ONE PER CUSTOMER 15x magnification porro prism binocular Large 70 mm objective lens offers maximum image brightness in low light and long range conditions Ultra sharp focus across the field of view Multi Coated optics for sharp, clear views Suitable for terrestrial or astronomical viewing Protective rubber covering for ultra firm grip Large center focus knob for easy focusing Tripod adapter included Long eye relief ideal for eyeglass wearers