ioptron

Using A Canon 300mm Lens for Astrophotography

Using A Canon 300mm Lens for Astrophotography

If you watched my video about Comet 46P Wirtanen, you may have noticed that my imaging gear included a Canon EF 300mm F/4L USM Lens. This may have seemed a little odd to those that are used to seeing me use a telescope for astrophotography, but a camera lens like this can be a great…