Nikon FSED50OG [Field Scope ED50 Olive Green]

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* Even if it is immersed in a 1m water depth for 5 minutes, there is no abnormality in the internal optical system and does not affect the observation.However, it cannot be used un derwater.- Effective lens effective diameter (mm) 50 Fang range (M) ∞ ~ 3 Filter attachment size (mm) 55 (p = 0.75) Total length x height x width (mm) 209 × 94 × 71 Mass (weight) (G) 455 Show more