refractors
Apochromatic vs Achromatic Refractors Explained
Marcus
If you’re new to astronomy, you might be wondering about the difference between apochromatic and achromatic refractors. Don’t worry. The ...
Astigmatism in Refractor Telescopes: Causes and Solutions
Marcus
The image you’re seeing through your refractor is not the best. Could it be due to a minor aberration such ...
Apochromatic vs Achromatic Refractors Explained
If you’re new to astronomy, you might be wondering about the difference between apochromatic and achromatic refractors. Don’t worry. The lingo about ‘APO’ and then doublet vs triplet confused me too. What did it all mean? So I ... Read more
Astigmatism in Refractor Telescopes: Causes and Solutions
The image you’re seeing through your refractor is not the best. Could it be due to a minor aberration such as astigmatism? When we look through a telescope, we want the image to be clear and sharp. Astigmatism ... Read more
