Tag Archives: Apochromatic

Review – Explore Scientific 127 ED Air-Spaced Triplet Apochromatic Refractor

August 2013 — It’s that time of year again for me to start thinking about what I want to purchase for my annual “Astro Splurge”. The previous year, 2012, I acquired a large Explore Scientific AR152 6″ f/6.5 doublet achromatic … Continue reading

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