THE BIRD PHOTOGRAPHER'S OUTFIT aL 
background being sharply 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, 
5. The bird in Test No. 2 enlarged about three diameters. 
and three diameters increase of that of the fourteen- 
inch lens. It practically restricts the picture to the 
immediate 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 obtained. The possibilities in this direc- 
tion are clearly shown by the three enlargements 
oO 
