THE DEVELOPMENT OF THE PHOTOGRAPHIC OBJECTIVE 



65 



Table VI. — Photographic Objectives. — {Continued) 



Name 



/- 

 number 



Field, 

 degrees 



Foci 



Type and figure 

 number 



Remarks 



W. Watson and Sons Ltd., 313 High Holborn, London W.C, England. 



Holostigmat lo. 

 Holostigmat 1 . . 

 Holostigmat 3 . . 

 Holostigmat . . . . 

 Testa 



4.6 

 6.1 

 9.5 

 11 

 6.5 



75 

 70 

 61 

 110 

 70 



4i.i-8Ji in. 

 4-14 in. 

 11-26 in. 

 3-9 in. 

 5x-4, Qyi in. 



15 

 15 

 15 

 15 



Convertible 



Process conv. 

 Wide angle 



WoUensak Optical Company, Rochester, N. Y. 



Anastigmat 5 



Cine-Velostigmat 



Cine-Velostigmat 



Cine-Velostigmat 



Cine-Velostigmat 



Cine-Telephoto 



Cine Verito 



Extreme wide angle . . . 



Varium 



Velostigmat la. 



Velostigmat 2 



Velostigmat 3 



Velostigmat 4 



Velostigmat Process . . 



Verito 



Voltas 



3>2-13 in. 

 25, 50 mm. 

 12 mm. 

 12-25 mm. 

 12, 25 mm. 

 l>2-6 in. 

 1, 2 in. 

 4J..^-13 in. 

 14-19 in. 

 4}.2'-17>2 in- 

 3K-16 in. 

 4>2-9 in. 

 33.^-12 in. 

 10>i-30 in. 

 5-18 in. 

 5-16 in. 



Cine 8, 16 mm. 



" 16 mm. 

 soft focus 

 Wide angle 

 Portrait soft 

 Convertible 



Wide angle 



Process 

 Portrait, soft 



Wray Ltd., Optical Works, Bromley, Kent, England. 



Apo Lustrar 



Diffused-image objective 



Lustrar 



Lustrar 



Lustrar 



Lustrar 



Lustrar 



Lustrar 



Plustrar 



Plustrar 



Plustrar 



Process-Lustrar 



Process-Lustrar 



Supar 



Supar 



Universal anastigmat . . 

 Wide-angle anastigmat . 



10 

 4 



1.5 

 2.5 

 2.8 

 3.5 

 4.5 



6.3 

 3,5 



4.5 

 6.3 



10 



16 

 3.5 

 4.5 

 6.8 



16 



50 



24 

 30 

 64 

 64 

 46 

 46 

 90 

 100 



13-25 in. 

 6-10 in. 

 25, 50 mm. 

 n-2 in. 

 3-8 in. 

 20, 25 mm. 

 3-15 in. 



31.^-15 in. 

 2-4 in. 

 2-15 in. 

 6-18 in. 

 13-25 in. 

 30, 36 in. 

 2-5 in. 

 2-5 in. 

 3H-7 in. 

 4-7 in. 



35 



35 

 35 

 Celor 32, un- 

 symm. 



Teleros 60 



Lustrar 35 



Cooke 27 



Dagor 12 

 Protar 10 back 

 to front 



Process 

 Portrait, soft 

 Cine 

 " , general 



Cine 



" tele 

 Tele 



Process 



Convertible 

 Wide angle 



Carl Zeiss, Jena, Germany. (485 Fifth Ave., New York.) 



Apo Planar 

 Apo Tessar 

 Biogon 



Biotar 



Biotar 



Biotessar . . , 



7.5-12. 



9-15 



2.8 



2 



1.4 



2.8 



30-38 



35-45 



63 



55 

 40 

 42 



16-68 in. 

 9>2'-72 in. 

 35 mm. 



40-80 mm. 

 20-70 mm. 

 514, &K in. 



37 

 44 

 6 comp. partly 

 cem. 



39 

 39 

 49 



Process 

 Min. cam. 



Cine, min. cam. 



