2.8 mm small wide-angle lens with high light flux
A wide-angle lens and large-pass light technology, applied in the field of lenses, can solve the problems that the chip cannot obtain sufficient exposure, insufficient light transmission, and unsatisfactory image quality, and achieve the effect of good imaging quality, good market prospects, and compact structure.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0040] The 2.8mm Datong light compact wide-angle lens of the present embodiment, as figure 1 As shown, the first lens 1, the second lens 2, the third lens 3, the fourth lens 4, the fifth lens 5, the sixth lens 6 and the seventh lens 7 are included sequentially from the object side to the image side, and the first lens 1 is a convex-convex negative power lens, the second lens 2 is a double-concave negative power lens, the third lens 3 is a double-convex positive power lens, the fourth lens 4 is a concave-convex negative power lens, and the fifth lens 5 It is a double-convex positive power lens, the sixth lens 6 is a double-concave positive power lens, and the seventh lens 7 is a double-convex positive power lens.
[0041] Wherein, the focal length, refractive index and curvature radius of the first lens to the seventh lens satisfy the following conditions:
[0042] -8.24≤f1≤-4.35 1.45≤n1≤1.65 28.45≤R1≤32.66 1.45≤R2≤4.65 -10.25≤f2≤-7.35 1.43≤n2≤1.69 -88.66≤R3≤...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com