THE DEVELOPMENT OF THE PHOTOGRAPHIC OBJECTIVE 59 



.Table VI. — Photographic Objectives. — {Continued) 



Name 



/- 

 number 



Field, 

 degrees 



Foci 



Type and figure 

 number 



Remarks 



Kodak. Eastman Kodak Company, Rochester, N. Y. {Continued) 



Anastigmat 



Anastigmat 



Anastigmat 



Aviation 



Aviation 



Aviation 



Ektar 



Kodar 



Photostat anastigmat 

 Process anastigmat . . 

 Process anastigmat . . 



6.3 

 6.3 



7.7 

 4.5 



52 

 52 

 48 

 46 

 46 

 24 

 54 

 52 

 50 

 50 

 50 



53-128 mm. 

 170 mm. 

 130 mm. 

 10 in. 

 12M in. 

 24 in. 

 45 mm. 

 98-173 mm. 

 13-21 in. 

 10 in. 

 18 in. 



Cooke 27 

 Celor 32 



Tessar 44 



Biotar 39 

 Cooke 27 

 Celor 32 



Tessar 44 



Enlarging 

 Aero 



Min. cam. 

 Enlarging 

 Photostat 

 Process 



Laack. Julius Laack Sohne, Curlandstrasse 60, Rathenow, Germany. 



Cine lens 



Cine-Pololyt 



Cine-Polyxentar 



Dialytar 



Dialytar 



Dialytar 



Dialytar P 



Dialytar T 



Dialytar T 



Dialytar T 



Dialytar T 



Dialytar wide-angle . 

 Enlarging anastigmat 

 Enlarging anastigmat 

 Enlarging anastigmat 



Pololyt 



Pololyt 



Pololyt 



Pololyt 



Polyxentar 



Polyxentar 



Regulyt 



Regulyt 



Repro-Polyxentar . . . 



Teleanastigmat 



Texon 



Texon 



15-85 mm. 

 25 mm. 

 12.5-25 mm. 

 7.5-30 cm. 

 7.5-36 cm. 

 7.5-21 cm. 

 30, 36 cm. 

 15-165 mm. 

 2-30 cm. 

 2.5-40 cm. 

 7.5-40 cm. 

 7.5-25 cm. 

 2.5-12 cm. 

 2.5-13.5 cm. 

 5. 5-13.5 cm. 

 2-7 . 5 cm. 

 2-16.5 cm. 

 7.5-36 cm. 

 7.5-36 cm. 

 7 . 5-30 cm. 

 18-36 cm. 

 105 mm. 



105 mm. 

 13.5-36 cm. 

 20-27 cm. 

 2.5-21 cm. 

 2.5-21 cm. 



Petzval 3 

 Cooke 27 

 77 

 Celor 32 



Homocentric 33 

 Cooke 27 

 Tessar 44 



Homocentric 33 

 Cooke, 27 



77 



77 



Cooke 27 



77 

 Two doublets 

 Four lenses 



Cine 



Cine 16 mm. 



Cine 8, 16 mm. 



General, wide angle 



Portrait 



Min. cam. 



Wide angle 



Cheap enlarging lens 



Hand cameras, focus- 

 ing by front lens only 



Process 



Tele 



Enlarging 



E. Leitz, Wetzlar, Germany. (750 Fifth Ave., New York.) 



