7x50 ED 天体観測用双眼鏡
スタークラウド
価格35800円
以下商品説明より引用

Highly recommended by Sky and telescope
reviewed in May 2008 issue, we also
recommend 10x50ED binocular in the same
price and quality.

Ideal as first instrument for star-gazing, or as
a easy-to-carry companion during field trips,
astro observations, bird watching, sailing and
hiking...

7.3 deg wide FOV, sharp to the corner,
individual eyepiece focusing, Extra-low
dispersion (ED) glass objectives for an
exceptional color correction.

Magnification 7x50
Objective Diameter 50mm
Exit Pupil 7.1mm
Eye Relief 23mm
Prism System Porro Prism System
Coating Fully Multi-coated
Minimum focus distance 4m
Focus System Individual Focus System
Water Proof Yes
Angle of View 7.5°
Apparent Angle of View 53A°
Weight 1600g

詳しくはこちら

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