Binoculars provide an easy way to see the world around you in very close detail. Birds in flight and small insects come into focus with a good pair of binoculars. However, a good pair of binoculars can cost quite a bit. If you need a simple pair of binoculars for examining the landscape or your child insists on having his own pair, you can easily make some at home. Homemade binoculars aren't adjustable and don't bring things as close as the commercial variety. However, narrowed focus will make the landscape clearer to your view.
- Skill level:
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Things you need
- Paper towel tube
- Hot glue gun
- 1 inch wide plastic juice bottle caps
- 1/8 inch drill bit
- Electric hand drill
Remove as much adhesive and paper from your paper towel tube as you can. Cut the tube into 4 inch sections. Set two of the sections aside and recycle the rest of the tube.
Lay your tubes parallel to each other, lining the ends up exactly. Run a bead of hot glue down the side of one of the tubes and press them together. Let the hot glue dry for at least 10 minutes.
Paint your cardboard tubes as desired. Options include creating a camouflage pattern with shades of green, pink or blue or painting them solid black. You could also create stripes or paint your name along the side.
Drill a 1/8 inch hole down through the centre of each of your 1 inch bottle caps. Fit the caps against the ends of your cardboard tubes. If the caps fit inside the tubes, run a bead of glue around the outside of the caps. If they fit over the tubes, run the glue inside the caps. If they fit perfectly against the tubes, run your glue along the caps' bottom edge.
Allow the hot glue to dry for 10 minutes. You may paint your juice bottle caps black or leave them as is. Look through your new binoculars; the tiny holes in the caps narrow your focus and make everything look larger and closer.
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