chromatic

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 ...

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