Nikon Monarch 5 16×56
Objective diameter: 56 mm
Magnification: 16 x
Exit pupil: 3.5 mm
Eye relief (acc. to spec): 16 mm
Usable eye relief (measured from rim of eyecup): 11.5 mm
IPD: 60 – 72 mm
RFOV: 4.1 degrees = 72 m
AFOV (measured, rounded): 61 degrees
Minimum focus distance (measured): 2.7 m
Focus type: CF (direction of rotation from close to infinity: > clockwise)
Degrees of rotation of focus wheel from 3 m to infinity (measured): 385 degrees
Range of diopter adjustment (estimate): +/- 4 dpt*
Excess travel of focus wheel beyond infinity position (estimate): 6 dpt*
Prism system: Schmidt-Pechan
Weight (measured, with eyepiece cover and strap): 1‘339 g
Made in: China
*range of diopter adjustment not affected by position of focus wheel
While many manufacturers of large binoculars tend to sell a 15x binocular, e.g. 15×56 or 15×70, Nikon seems to prefer 16x, as in this Monarch 5 16×56 (or e.g. the Action EX 16×50, see separate post). Its external dimensions and weight are identical with the 20×56 model, but with its lower magnification, the 16×56 has the larger field of view and a better correction of chromatic aberration, and for daytime use, when 20x is often too high a magnification due to air turbulence, the 16x may prove to be more useful for birding or long distance observing. The Monarch is an excellent all-purpose high mag binocular, esp. considering its price; of course, you cannot expect it to match the performance of more expensive premium optics such as the Swarovski SLC 15×56 (see separate post) or the Zeiss Conquest HD 15×56 (see separate post). Observers with narrow IPD beware: the Monarch does not go below 60mm, which, together with the relatively wide eyecups, limits the ease of view a bit.
see also remarks under separate post “Nikon Monarch 5 20×56”, https://binocular.ch/nikon-monarch-5-20×56/
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