Conclusion: The discussion about the results of the Nikon 7x50 IF HP WP Tropical binoculars should be started with its appearance and build quality. Every fan of old, classic devices will be charmed by them. It is a piece of equipment similar to the items produced by many renowned manufacturers from the beginning of the 20th century to the 80s of the 20th century. As you can see in a photo below it looks a bit like the popular Zeiss binoculars from Jena.
Pros: classic, solid and simultaneously waterproof casing,, very low astigmatism,, well-controlled coma,, very low distortion,, slight brightness loss on the edge of the field,, high quality of prisms,, clean and relatively well darkened inner tubes,, the binoculars and all its accessories have been produced in Japan.
Cons: transmission difference between right and left optical paths,, antireflection coatings obsolete when compared to contemporary standards,, the image on the edge of the field could have been sharper,, noticeably truncated right exit pupil,, pronounced chromatic aberration on the very edge of the field of view.