The Essential series are "bare bones" versions of the Explore Scientific Apos - they still have the exquisite optics of the original triplets, including Japanese Hoya FCD1 Dense Fluorcrown and Explore's Special EMD.
The Explore Scientific Hexafoc 2.5" Adapter for 3" Corrector is a ring which mates Hexafoc or Hexfocus-enabled telescopes - particularly the Explore Scientific range of Triplet Apo refracting telescopes, with the Explore Scientific 3" 0.7x Reducer/correct
Observe Solar eclipses and surface detail, including sunspots, surface granulation, faculae and filaments in complete safety.
The Explore Scientific Ultra Light 10" Dobsonian is ideal for those who want a telescope with good light gathering power and great optics in a compact easy-to-store package.