The 6x30 Atrek Light Binocular from Vixen Optics is a Porro prism set of glasses featuring fully multicoated optics and BAK4 prism glass to create a general purpose binocular for wide-field of view observations like viewing constellations and other distant landscapes.
Atrek optics have a waterproof housing, as well as twist-up eyecups, a broad interpupillary adjustment range and impressive 18mm eye relief that permits a comfortable viewing distance for almost anyone.
|Type of build||Porro|
|Front lens diameter (mm)||30|
|Exit pupil (mm)||5|
|Interpupillar distance (mm)||50 - 70|
|Eye relief (mm)||18|
|--Field of view--||-|
|True field of view (°)||8|
|Field of view at 1,000 m (m)||140|
|Close focus limit (m)||5|