Having vision to see objects in the dark. It is impeded by bright light. In astronomy, a red flashlight is recommended.
See further in Telescope Night’s article on why use a Red Flashlight vs Conventional Torch.
Having vision to see objects in the dark. It is impeded by bright light. In astronomy, a red flashlight is recommended.
See further in Telescope Night’s article on why use a Red Flashlight vs Conventional Torch.