Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.

What is a star diagonal?

diagonal star
0
Posted

What is a star diagonal?

0 CommentsAdd a Comment

1 Answer

0

A star diagonal is a prism or mirror that is placed between the focuser and the eyepiece of a refractor or Cassegrain-type telescope, and which reflects the light through 90 degrees. Without a star diagonal, observing near the zenith is extremely uncomfortable unless the observer is reclining.

0 CommentsAdd a Comment

Related Questions

What is your question?

*Sadly, we had to bring back ads too. Hopefully more targeted.