K&F Concept 8x21 Kids Binoculars, High Resolution, Shock Resistant Compact Kids Binoculars for Bird Watching, Hiking, Camping, Travel, Learning, Spy Games and Exploring Green

SKU: KF33.047

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My boy is 3 year old and he has no trouble holding it. 
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Whatever you can see with your naked eyes, the binoculars will bring it 8 times closer. 
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Dear Customer, Thank you for your question. Please check the following steps to setting the focus: (Do not look at too close objects) Step 1. Cover the right objective lens with your hand or close your right eye, rotate the central independent focusing wheel until the image in the left eyepiece is sharp and clear. Step 2. Now cover the left objective lens or close your left eye, rotate the right eyepiece focusing wheel to adjust the diopter of the right eye until the captured image is sharp.