You see two Telescopes. Both are refractors. Both have the same aperture and similar specs. Both are from the same brand. But one of them costs five times more than the other and it even includes fewer accessories than the cheaper one. What is going on? Chances are, you just ran into an Achromatic and an apochromatic refractor. On paper, they seem very similar. If you look at them as a beginner...

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