Ray, Sidney F. <br/><br/>
The lens and all its jobs / 
by Sidney F. Ray. 
 - New York :  Hastings House,  1977. 
 - 158 p.:  ill. ;  20 cm. 
<br/><br/><label>LCCN: </label>77-82632 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lenses, Photography.