Optical wide angle lens
AssigneeSunny Optical Overseas Limited
InventorsTzu-Yuan Lin, Sheng-Lung Lin, Leit Ho
Life of this patent
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AssigneeSunny Optical Overseas Limited
InventorsTzu-Yuan Lin, Sheng-Lung Lin, Leit Ho
Estimating the term…
A wide angle optical lens assembly includes a first lens group and a second lens group arranged in order from an object side to an image plane along an optical axis, satisfying the following condition: 2.0≤|F1/EFL|≤3.65; 2.6≤|F2/EFL|≤3.45; wherein, EFL is effective focal length of the wide angle optical lens assembly; F1 is effective focal length of the first lens group; F2 is effective focal length of the second lens group. The first lens group includes a first lens having negative refractive power, a second lens having negative refractive power, and a third lens having positive refractive power arranged in order from the object side. The second lens is a meniscus lens, having a convex image-side surface. The second lens group includes a fourth lens having positive refractive power, a fifth lens having negative refractive power, and a sixth lens having positive refractive power arranged in order from the object side.
A wide angle optical lens assembly, comprising, in order from an object side to an image plane along an optical axis:
Dependencies are inferred from the claim text.