Wollaston landscape lens [SEP] named after
Wollaston landscape lens
The Wollaston landscape lens, named for William Hyde Wollaston, was a meniscus lens with a small aperture stop in front of the concave side of the lens, providing some improvement of aberrations. It was devised in 1812. It was the first reasonably sharp over a wide field (about 45° at "f"/11 or "f"/16) lens. Wollaston fitted it to an artist's aid camera obscura in 1812.
This lens was still used in low-priced cameras in the mid-20th century. Besides its
as noted"). 
Simple lens designs.
Simple lenses are lenses consisting of a single element. Lenses in this section may overlap with lens designs in other sections, for example the Wollaston landscape lens is a single element and also a camera lens design.
- Basic types
- Biconcave lens
- Biconvex lens
- Convex-concave lens
- Plano concave lens
- Plano convex lens
- Meniscus lens
- Designs
- Wollaston landscape lens
Achromatic lens designs.
There are many