Binoculars for 
Bird Watchers 
LEITZ TRINOVID BINOCULARS 
A Totally New Concept 
———_—— Creators of the world-famous 
(ea I 
= SS 
aa ile } Leica camera have perfected 
a mal I i 
Zy4 
il. a new. prism system that 
Ws! dramatically reduces binocular 
sos Se size and weight. It’s the first 
Na) Es nn truly significant binocular ad- 
: yee MP2. 
7 = Lt ao vancement in fifty years. The 
Trinovid 7x35 has an amazing 
450-foot-wide panoramic view- 
ing field at 1000 yards. The 
8x32 and even the 10x40 are 
more compact than conven- 
ut zl tional glasses of much lower 
wn Ve: SAgieg «=power. And all Trinovid mo- 
Ui ee dels have fast-action central 
focusing, are hermetically 
sealed, dustproof & weather- 
proof. 
HERTEL & REUSS BINOCULARS 
I.A.S. field glasses are equal in 
performance and durability to 
the finest models anywhere. 
Yet they cost less than half 
as much as comparable binocu- 
lars. They are produced by 
Hertel & Reuss of Kassel, Ger- 
many, leading designers and 
makers of quality precision in- 
struments. Illinois Audubon 
Society has sold these for 15 
years; this income supports our 
conservation projects. Center 
focusing. 
DESCRIPTIVE FOLDERS Illinois Audubon Society 
and PRICE LISTS from: 1017 Burlington Ave. 
Downers Grove, Ill. 60515 
