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A convex lens focusing light rays, a magnifying glass, and a prism dispersing a beam of light.

Focus your mind and dominate every lens optics trivia level in this heavy clash

Lenses & Telescopes

Difficulty

Medium

Questions

20

Volts

2/q

Convex or concave? One tilt shifts the focal point and flips your entire perspective. Master the math of refraction, calculate the power of a diopter, and nail the perfect image alignment. The light is hitting the glass—can you focus before the clock hits zero?