Clear image without black bars,it makes Super Clear and Sharp Images. with smartphone. Upgraded eyepiece/ BAK4 Prism. Prism: BAK4. Lens Coating: fmc. take action, buy now! 【WATERPROOF & FOG PROOF】Compact and sturdy body make it withstand the heavy weather, the mirror is full of the high-purity nitrogen, waterproof and antifogging.
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