What Causes Chromatic Aberration in the Objective Lens of a Telescope

question 244

Multiple Choice

What causes chromatic aberration in the objective lens of a telescope?

• A) Reflection of light back and forth inside the lens produces multiple images and the overall combination of the images will be distorted.
• B) Different colors are refracted through different angles at each surface of the lens.
• C) Different colors suffer different amounts of absorption by the glass in the lens.
• D) The shape of the lens surface distorts the image.

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