has a perfectly round exit pupil. You can see a bright, clear and razor-sharp view.
【Sleek and Solid, Waterproof, Fog-proof】Metal structure with 1.76lb (800g) is more stable. Rubber finish for shock resistance and a firm, comfortable grip, is durable. Waterproof, but can not be used in a heavy rain for a long time or soaked in the water. Anti-drop and fog-proof, too.
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