TABLE OF CONTENTS Table 19.1 indicates the index of lenses described in Chap. 19.
| Fig.# | Title | Speed | Field |
|---|---|---|---|
| 19.1 | Airspaced Triplet telescope objective | f/2.8 | 1 |
| 19.2 | Apochromatic doublet tel. obj. | f/7.0 | 1.0 |
| 19.3 | Apochromatic cemented triplet | f/7.0 | 1.0 |
| 19.4 | Airspaced apochromatic triplet | f/7.0 | 1.0 |
| 19.5 | Apochromatic triplet | f/7.0 | +1.0 |
| 19.6 | Doublet magnifier | f/2.0 | 17.4 |
| 19.7 | Four element eyepiece | f/3.3 | 25.2 |
| 19.8 | Symmetrical eyepiece | f/5.6 | 25.2 |
| 19.9 | Erfle eyepiece | f/5.0 | 35 |
| 19.10 | Cooke triplet | f/4.5 | 25.2 |
| 19.11 | Triplet | f/2.5 | 16.2 |
| 19.12 | Broadband triplet | f/8.0 | 14 |
| 19.13 | Reversed telephoto | f/2.8 | 37 |
| 19.14 | Fisheye lens | f/8.0 | 85.4 |
| 19.15 | Telephoto camera lens | f/5.0 | 6.0 |
| 19.16 | Telephoto camera lens | f/4.0 | 6.0 |
| 19.17 | Goerz Dagor | f/8.0 | 26.6 |
| 19.18 | Dogmar enlarger | f/4.5 | 26 |
| 19.19 | Tessar, reversed doublet | f/3.0 | 28 |
| 19.20 | Reversed Tessar | f/2.8 | 25.2 |
| 19.21 | Heliar | f/3.5 | 25.2 |
| 19.22 | Five element Tessar | f/2.7 | 16.2 |
| 19.23 | Petzval projection modification | f/1.6 | 9.1 |
| 19.24 | Six element Petzval | f/1.4 | 6.8 |
| 19.25 | Six element Petzval | f/1.25 | 12.4 |
| 19.26 | R-Biotar radiographic lens | f/0.9 | 6.8 |
| 19.27 | Split-front triplet | f/1.5 | 15.1 |
| 19.28 | Ernostar | f/1.4 | 15.1 |
| 19.29 | Sonnar | f/2.0 | 19.8 |
| 19.30 | Sonnar | f/1.2 | 18 |
| 19.31 | Microscope objective | f/0.53 | 3.2 |
| 19.32 | Catadioptric Cassegrain | f/1.5 | 1.25 |
| 19.33 | Catadioptric Cassegrain | f/8.0 | 1.76 |
| 19.34 | Catadioptric Cassegrain | f/1.2 | 5.1 |
| 19.35 | Double Gauss | f/1.25 | 12.4 |
| 19.36 | Double Gauss | f/2.0 |
