30 Nature in Recreation 



Remember to adjust your distance scale, if you have one, or your picture 

 will be out of focus and blurred. 



And finally read a little bit about the elements of photography. Find out 

 what it really is, why you get a picture, and how it is done. It will improve 

 your pictures and increase your enjoyment considerably. 



Pinhole Camera 



V,, 



Fold a piece of cardboard into a tube, open at both ends 2 W x 3i4" and 

 about 4" long. 



Make two cardboard covers, each 2" long and just large enough to slide 

 over the ends of the tube. 



In one of these cut a hole about i" in diameter and paste over this, on the 

 inside, a piece of tin foil with a pinhole in it made with a #10 sewing 

 needle. 



Paint the inside black with poster color. Put a piece of scotch tape over 

 the pin-hole for a shutter. Draw lines for the corners of the post to the 

 middle of the back. 



To Use In the darkroom put a piece of cut film in the back cover. Slide 

 the tube on top of it and over that the front end. Set camera up, sight along 

 the lines for your object. Raise the scotch tape for the exposure and press 

 back to end it. On a sunny day you'll need about 15 seconds. Remove film 

 in dark room and develop. 



