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Explore Scientific 2X Barlow for 2" eyepieces, with 1.25" adapter
$229.99This new four-element 2" 2x Explore Scientific focal extender (Barlow lens) has a 1.25" eyepiece adapter so you can use both 2" and 1.25" eyepieces in your 2" focuser . . .
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Explore Scientific 2" 3x Focal Extender (Barlow)
$299.99Increase your eyepiece magnification by 3x
2" barrel diameter
Keeps eyerelief consistent