FCD100 Series 127mm f/7.5 Aluminum Air-Spaced Triplet ED APO Refractor Telescope accessories Featuring fully multi-coated lenses

Featuring fully multi-coated lenses

Oxygen III - This is the highest contrast Nebula Filter in the series

and pinpoint star fields

and the louder the noise

FCD100 Series 127mm f/7.5 Aluminum Air-Spaced Triplet ED APO Refractor Telescope accessories Featuring fully multi-coated lensesThe Explore Scientific FCD100 Series 127mm f 7. 5 Triplet APO Refractor is a premium optical instrument designed for serious visual observers and astrophotographers who demand exceptional image quality. Its air spaced triplet lens system combines genuine HOYA FCD100 extra low dispersion (ED) glass with proprietary EMD enhanced multi layer coatings to virtually eliminate chromatic aberration and deliver razor sharp, high contrast views of the Moon,