American Big-Game Hunting 



saving considerable weight. For this lens I 

 constructed a camera on a different principle, 

 as the length was too great to carry con- 

 veniently in the form of a rigid apparatus. 

 This in turn I have displaced with a Dall- 

 meyer telephoto lens, mounted in aluminum, 

 which I consider a marvelous instrument. 



I have not succeeded in obtaining any 

 pictures with it as yet. The difficulties of 

 using it are in some respects greater than 

 with the other lenses, as it requires to be 

 focused on the object. I have, however, 

 designed a camera with the ground glass 

 fastened rigidly in the top, and with a mov- 

 able mirror which permits of the focus being 

 obtained without removing the roll holder. 

 This camera, when extended, is thirty inches 

 long, and when packed for carrying is re- 

 duced one half 



It is home-made ; but, if constructed by 

 experienced workmen, I believe would very 

 satisfactorily fill the conditions necessary for 

 a game-camera. The weight and size, to- 

 gether with the necessity of focusing, require, 

 however, some kind of a support. I believe 

 that a pair of adjustable legs, with a universal 



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