Ophthalmic OpticsCâu 15 / 100
Spherical aberration in a lens is best described as what?
a.Color separation of white light
b.Peripheral rays focusing differently than central rays
c.Reflection off both surfaces
d.Distortion from prism
Giải thích
Spherical aberration occurs when light passing through the outer (peripheral) zones of a lens focuses at a different point than light through the center, blurring the image. Aspheric designs reduce this effect.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- Vertex distance is the measured space between what two points?
- Chromatic aberration is caused by what?
- Which of the following describes a plano lens?
- The index of refraction of a material is a ratio comparing what?
- An aspheric lens design primarily reduces what?
- Compared with crown glass, polycarbonate is valued mostly for what property?
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