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The 10x25 Adults and Kids Compact Binoculars are great for outdoor fun. They have 25mm objective diameter and 8x magnification for clear views, with a BAK-4 prism. Compact (4.13 × 3.91 × 2.83 inches, 0.5lb), they're easy to carry. User-friendly adjustments and anti-slip grip. Made of durable plastic, they're customizable and come with useful accessories, ideal for activities like hiking and bird watching.
link:https://www.remotionertech.com/hiking-gear/binoculars-monocular-telescope/electronic-eyepiece-for-telescope.html
Electronic Eyepiece for Telescope