212 Photography for the Sportsman Naturalist 



A lens of great focal length has no particular 

 value in this work, as very little depth of field 

 is necessary. I should advise the use of one of 

 about nine or ten inches for a six and a half 

 by eight and a half plate. Of course the faster 



Common Crab. 



it is the better, for fish will seldom stay absolutely 

 quiet for a sufficient length of time to allow of 

 anything but an instantaneous exposure. 



Always use the orthochromatic plates, for 

 many of the fish are brightly colored; and these 

 plates, as has been before stated, are the only 

 ones that reproduce anywhere near the true 



