NIKON MONARCH M5 10x50 BINOCULARS
Key Features* Lightest* body among 50mm-diameter objective lens binoculars employing extra-low dispersion (ED) glass
*
As of February 17th, 2026, among binoculars with a 50mm-diameter objective lens and 10× or 12× magnification employing an extra-low dispersion lens, that had been released at that time. Based on Nikon Vision research.
Large-diameter objective lenses deliver dynamic views
* Wide apparent field of view for an immersive experience (60.8° for 12x50 model)
* Stylish, refined exterior design
* Extra-low dispersion (ED) glass for high contrast and resolution
* All lenses and prisms are multilayer-coated for brighter images
* Dielectric high-reflective multilayer and phase-correction coatings are employed
* A versatile lineup for various viewing situations
* Waterproof (up to 1m/3.3 ft. for 10 minutes) and fog-free with O-ring seals and nitrogen gas
* Long eye relief design ensures a clear field of view, even for eyeglass wearers
* Turn-and-slide rubber eyecups with multi-click facilitate easy positioning of eyes at the correct eyepoint
* Rubber armouring for shock resistance and a firm, comfortable grip
* Lightweight body uses fibreglass-reinforced polycarbonate resin
* Flip-down objective lens caps to prevent loss
* Optional tripod adaptor enables attachment to a tripod [Tripod adapter TRA-3]
Specifications
MONARCH M5
10x50
Magnification (x) 10
Objective diameter (mm) 50
Angular field of view (Real/degree) 6.0
Angular field of view (Apparent/degree) 55.3
Field of view at 1,000m/yd. (m/ft) 105/314
Exit pupil (mm) 5.0
Relative brightness 25.0
Eye relief (mm) 19.3
Close focusing distance (m/ft) 4.5/14.8
Length (mm/in.) 166/6.5
Width (mm/in.) 133/5.2
Depth (mm/in.) 58/2.3
Weight (g/oz.) 640/22.6
Interpupillary distance adjustment (mm/in.) 58-72/2.28-2.83
Waterproof structure Waterproof (up to 1m/3.3 ft. for 10 minutes)*, fogproof
Type Roof Roof
