William Optics Binoviewers *sale pending*
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This is an older (probably about 20 years old) version of the William Optics binoviewers that currently cost more than $300. Includes two 20mm wide angle (66°) eyepieces and a barlow nosepiece for easier focusing with most telescopes. Worked great with my Maksutov telescope, but I can't guarantee that you wiil be able to focus it on other types.
Funding Member
