| Year | 1922 |
| Date | 19-Jan |
| Volume | 46 |
| Issue | 1,082 |
| Page | 55 |
| Category | Workshop Topics |
| Part | |
| Title | Some Points on Scale Photography |
| Author | |
| Notes | Lenses, the radiation of light rays, how a lens works theoretically, colour divergence - scientifically known as chromatic aberration or dispersion, spherical divergence or aberration, rectilinear lenses, the sizes of stops on lenses |