TIIR BIRD PHOTOGRAPHER'S OUTFIT 



17 



background being wharply defined, while with the 

 eight-inch all are in focus. 



The telephoto gives an enlargement of about six 

 diameters of the image thrown by eight-inch lens, 



The liinl in Test No. 2 c'lilarKcd about tlircc dianicters 



and three diameters increase of that of the fourteen- 

 inch lens. It practically restricts the })icture to the 

 imm.ediate surroundings of the bird, and is without 

 focal depth. 



Having now made three good negatives in the 

 field, we may, by enlargement, improve on the image 

 of the bird olitained. The possibilities in this direc- 

 tion are clearly shown by the three enlargements 



