Posted 08 June 2019 - 04:12 PM
Posted 08 June 2019 - 09:25 PM
The mirror directs light to the finder objective, which has a 4" focal length. I can't seem to find the aperture of the finder objective in any of the spec sheets, but this post estimate the diameter at 15.8 mm https://www.cloudyni...al-information/ and estimates a limiting magnitude of 8.7.
- Matt Looby and Terra Nova like this