Reviews and Problems with Nikon Monarch 8.5x56DCF/10x56DCF/12x56DCF
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Nikon Monarch 8.5x56 DCF
2 April 2010
Conclusion: When Nikon decided to enter the low light conditions binoculars market they made a very good move. There was a huge gap in the photo-optical equipment offer, especially manufactured by renowned producers.
Pros: sharp image almost to the very edge of the field,, well corrected astigmatism,, slight coma although still noticeable at the edge of the field,, solid casing, very comfortable to hold,, high quality BaK-4 prisms,, nice and not truncated exit pupils,
Cons: significant chromatic aberration, especially visible at the edge of the field of view,, for a night pair of binoculars the transmission could have been better (but it is not so easy in the case of a roof-prism instrument)