.svg) | |
| Introduced in | 1933 |
|---|---|
| Author | Robert Richter |
| Construction | 4 elements in 4 groups |
| Aperture | 6.3 |
Metrogon is a high resolution, low-distortion, extra-wide field (90 degree field of view) photographic lens design, popularized by Bausch and Lomb. Variations of this design were used extensively by the US military for aerial photography, fitted to the T-11 and other aerial cameras.[1]