Close focus refers to the nearest distance you can focus a binocular or spotting scope. Close focusing is especially useful when viewing butterflies, dragonflies, wildflowers, and other subjects at extremely close range.
In binoculars, 3’ to 8’ is considered a “good” close focus for watching insects. Keep in mind that when you’re using a binocular at close focus the “two circles” will become farther apart. This is normal.
The overwhelming majority of spotting scopes generally don’t focus closer than 20’, but there are some exceptions. If you’re planning on watching your backyard bird feeders with a spotting scope, be sure your feeders are placed the proper distance from where you intend to conduct your viewing. The versatility of close focusing enhances your observations with nature by magnifying the critters right in front of your feet!
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