LOA 21 3D Deep Immersion Eyepiece Pair 
Includes One LOA 21 with the 3D Lederman Optical Array (LOA) and one LOA 21 Neutral Eyepiece*
See The Universe through your Binotron 27 in amazing and super realistic 3D! See The Universe with 6 depths. This innovation by Russ Lederman burst on the astro-scene in 2015 and now they are being used all over the world. If you have not looked through these, you have never seen M27 floating in front of the distant background stars or galaxies hanging deep in the distance BEHIND the Milkyway Stars.  See the "Reviews" page on this website where there is lots of information, videos, and commentary.
 
Add a Neutral for $149 to observe the Moon*
 
65 Degree Widefield AFOV
Fully Multi-Coated
Fully Machined anodized aluminum bodies and housings
No grooves on barrels (holds alignment in The Binotron 27!)
Rubber Eyecup
Array Glass 1/10 Wave Flat Fully Multi-Coated
Cemented with a Proprietary Process
 
*In the LOA 21 3D Pair, only One eyepiece has the LOA (Lederman Optical Array)The other LOA 21 does not have the array ans is called The Neutral. When used in a Binoviewer, this creates the 3D. So, when viewing The Moon, the eyepiece with array is removed, and a second matched Neutral replaces it. Now Lunar views are two eyed but conventional. The 3D interferes with Lunar viewing and is not recommended.