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US11269161B2 Optical imaging system having six lenses of +−+−+− refractive powers 有权

Optical imaging system having six lenses of +−+−+− refractive powers
摘要：
An optical imaging system includes: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens sequentially arranged from an object side. The optical imaging system satisfies 0.35 4.8; and TTL/(2*IMG HT)
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