Monarchs are already well-regarded by birdwatchers and nature enthusiasts worldwide, but the Monarch HG 10 x 42 is on another level entirely. Made in Japan, the exterior and optics have been completely redesigned, now featuring a magnesium alloy body and metal eyecups for added resistance to wear and tear, multilayer coating on all lenses and prisms, extra-low dispersion (ED) glass, and a wider field of view than even the wide-field Monarch 7s.
The barrels are completely waterproof and fogproof down to 5m depth and 5000m altitude, while most exciting of all is the addition of a field flattener, which assures a sharp and clear view all the way to the lens periphery. The end result is a pair of binoculars which perform well above their price-range, and have to be seen to be believed.
Key Features of the Nikon Monarch HG 10×42
Wide apparent field of view (62.2° for 10×42). While realising a wide field of view, the Field Flattener Lens System assures a sharp and clear view all the way to the lens periphery.
Extra-low dispersion (ED) glass corrects chromatic aberration that causes colour fringing and realises a contrast-rich and high-resolution image
High-quality multilayer coating is applied to all lenses and prisms while dielectric high-reflective multilayer coating is applied to the roof prisms, achieving a bright view of up to 92% or higher light transmittance, and natural colour fidelity
Phase-correction-coated roof prisms for high resolution and contrast
Scratch-resistant coating is applied on the objective lens and eyepiece surfaces
Long eye relief design ensures a clear field of view, even for eyeglass wearers
Lead- and arsenic-free glass is used for all lenses and prisms
Turn-and-slide rubber eyecups with multi-click facilitate easy positioning of eyes at the correct eyepoint
Dioptre adjustment ring locking system prevents unintentional rotation
Sturdy, lightweight magnesium alloy body
Superior waterproof/fogproof performance with a nitrogen-filled body that resists water pressure to a depth of up to 5m/16.4 ft. for 10 minutes and prevents fogging inside the optical system even in low-pressure environments up to altitudes of 5,000m/16,404 ft. equivalent
Soft-to-the-touch neck strap
Objective lens caps are integrated to prevent loss
Optional tripod adapter enables attachment to a tripod [TRA-3/Adapter H (hard type)
Specifications
| MONARCH HG 10×42 | |
|---|---|
| Magnification (x) | 10 |
| Objective diameter (mm) | 42 |
| Angular field of view (Real/degree) | 6.9 |
| Angular field of view (Apparent/degree) | 62.2 |
| Field of view at 1,000m (m) | 121 |
| Field of view at 1,000yd. (ft.) | 362 |
| Exit pupil (mm) | 4.2 |
| Relative brightness | 17.6 |
| Eye relief (mm) | 17.0 |
| Close focusing distance (m) | 2.0 |
| Length (mm) | 145 |
| Width (mm) | 131 |
| Depth (mm) | 56 |
| Weight (g) | 680 |
| Interpupillary distance (mm) | 56-74 |
| Type | Roof |