refractors

Achromatic Vs Apochromatic Refractors

Apochromatic vs Achromatic Refractors Explained

Marcus

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

Astigmatism in Refractor Telescopes: Causes and Solutions

Marcus

Marcus

The image you’re seeing through your refractor is not the best. Could it be due to a minor aberration such ...

Achromatic Vs Apochromatic Refractors

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

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