Pay in 4 interest-free payments of $32.50 Learn more
Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
9 arcsec Tube Length w/Dew Shield: 34"
we achieved constant focus (parfocality)
9 in (110mm x 125mm)
perfect for those observations when you want to see greater details of resolved objects
Founder Optics 9 mm LER Alien 1.25" Eyepiece - A-LER-9 avx 9 arcsec Tube Length w/DewAlien 9 mm Long Eye Relief Eyepiece Wow, Alien eyepieces are out of this world! With a very comfortable 20 mm of eye relief across the series, Alien eyepieces are a joy to view through, even if you need to wear glasses while observing! The 9mm Alien eyepiece is parfocal with all other eyepieces in the Alien line, which means you will not need to re focus when you change eyepieces for a different magnification. The cool looking eyepiece body is made of
