skos:altLabel | - optics
- lenses
- lenticular
- meniscus
- lens
- Lenses
- ophthalmic lenses
- concave
- biconvex
- Biconvex lens
- Lens#Imaging properties
- Lens#Lensmaker's equation
- Lens#Types of simple lenses
- Lens#compound_lens_anchor
- Lensmaker's equation
- compound lens
- optical lens
- optical lenses
- simple refractive lens
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