Höjd 42 mm

Diameter objektivlins: 100 mm

Både den visuella- och fotoversionen bygger på samma typ av Herschelprisma

Stämjärn som du kan knacka bort mindre detaljer med

Aurora - Observing And Recording Natures Spectacular Light Show OUTDOOR Höjd 42 mmThe uniquely beautiful light display of an aurora is the result of charged particles colliding with tenuous atmospheric oxygen and nitrogen, more than 60 miles above the Earth, when the magnetosphere is disturbed by changes in the solar wind. Aurora Observing and Recording Nature's Spectacular Light Show, Authors: Bone, Neil Often and incorrectly regarded as being confined to high northern and southern latitudes, major auroral displays are visible