1(1 



BIKI) STUDIKS WITH A CAMERA 



son, we obsci've that the eight-inch gives a fairly 

 wide liehl, excellent depth of focus, but a very small 

 image of the bird, for which alone the jiicture has 

 been made. With the fourtoen-inch we decrease the 



4. Ia'Iis 'IV'St N.i. a. Siilin: subji'i't, (listillH'c, pliitc, ami ilatr lis Ti'st N.i. 1. 

 Fi'niit Iriis ifnurtL'L'ii-iiiL'li fwus) i.l'Zi.-iss Coll vltI ibk', jX". in; .lia- 

 Iilira^rri F. li; ; V21, siT'olld. 



extent of the field nearly one half and almost double 

 the size of the object pictured. This, however, has 

 been done at the Iciss of (le|)tli of focus, not even the 

 first of the line of jhisIs running directly into the 



