An Orion Telescope Ultrascopic™ 2x FMC 3-Element Barlow Lens.
This barlow has a 3-element, fully multi-coated lens system with a clear aperture of 27mm, rendering images of ultra-high fidelity and superb color correction. Providing a 2x power boost to any 1.25" eyepiece, Made in Japan.
In like new condition. The glass is very clean - never touched with both end caps, box, instruction sheet.
This is the Orion $79.95 (+$9.95shiping) "APO" Premium Barlow.
$55 shipped CONUS.