Harpers Photographic

High-resolution model with 10x magnification and 42 mm objective diameter lens that lets you close in on your target with confidence. Features multilayer-coated lenses of the highest quality for beautifully defined images, O-ring seals and nitrogen gas for added resistance to challenging environments, and a durable design with rubber armoring for a reliable performance and comfortable grip

Multilayer-coated lenses and prisms for remarkably bright, razor-sharp images.
High-eyepoint design provides clear field of view, even for eyeglass wearers.
Close focusing distance: 2.5 m
Eco-glass optics: free from lead and arsenic.
Waterproof (up to 1 m for 5 minutes) and fog-free, with nitrogen gas for added resistance to harsh environments.
Rubber armoring for superior shock resistance and firm, comfortable grip.
Lightweight body from fiberglass-reinforced polycarbonate resin.
Magnification [x] 10
Objective diameter [mm] 42
Angular field of view (Real) [degree] 6.0
Angular field od view (Apparent) [degree] 55.3
Field of view at 1,000m [m] 105
Exit pupil [mm] 4.2
Relative brightness 17.6
Eye relief [mm] 15.5
Close focusing distance [m] 2.5
Interpupillary distance adjustment [mm] 56-72
Weight [g] 615
Lenght [mm] 143
Width [mm] 129
Type Roof