Ready-made, high-quality solar filter with Baader ND5 foil in a metal frame screwed to a tube or diffuser. It allows you to safely observe and photograph the surface of the Sun when attached to the telescope lens .
The solar film meets the highest quality standards by passing one hundred degrees of sunlight. Mounted on the front of the binoculars (necessarily both lenses), telescope or telescope allows you to get great images of the sun when looking directly through the eyepiece. In telescopes equipped with a difler, it is worth to take off the diffuser and put it directly on the tube. It is worth remembering, because the diameter of odrowniki even small telescopes can be very large and may require a disproportionately large frame. The strength of the filter in the metal frame is durability, as well as the assurance of mounting and a wide range of applications (telescopes, for which there are no ready-made sunbeds, observation telescopes, binoculars).
• internal: 133.8 mm • ? external: 140 mm • ? minimum: 108 mm • weight: 135 g • filtration level: 99.999% • thickness of the foil: 0.012 mm • transmission symbol / class: ND5 ( foil intended for visual observations and simple photographs) • quality standard: CE • cooperates, among others from Celestron Nexstar 4 SE