Discoverer binoculars feature Bausch & Lomb's rugged one-piece body design. They are available in a rugged roof prism design that is fully waterproof/fogproof, with durable rubber armoring. Bausch & Lomb Discoverer binoculars are manufactured with the finest optics and precision parts using a silver coated BAK-4 roof prism system for maximum light transmission, high resolution, and peak performance. Each Discoverer binocular comes complete with carrying case and neck strap.

Model /
Special
Feature

Magni-
fication

Focus System

Prism System

Field of View
ft @ 1000 yds / m @ 1000m

 Close Focus (ft/m)

Exit Pupil
(mm)

Wt. (oz/g)

61-4201

10x42

 Center

Roof

341/114

10/3

4.2

28/800

61-4207

7x42

Center

 Roof

 420/140

10/3

 6.0

 28/800