Ed Vs Apo Refractor Telescopes!

ED vs APO Refractor Telescopes!? FPL-51 vs FPL-53 vs FCD-100!?

Wido's AstroForum

Review of the TeleVue 85 - A Popular Premium apo Among Refractor Lovers!

5" Refractor Shootout

Worlds Best Doublet vs Best Triplet APO Refractor Telescope. Is the Triplet worth the extra cost???

SV550 (triplet APO) review: how good is FPL51?

4.7" Refractor vs 8" Reflector on Saturn

Review of the William Optics Megrez 90mm f/6.9 Apo Refractor!

7” APO Vs 12” SCT Telescope on the PLANETS – When aperture does not matter???

ED APO vs. Achromat

Telescope Perfection! The Astro-Physics AP130GTX 130mm f/6.3 Apochromatic Refractor.

Review of the Astro Tech AT115EDT apochromatic refractor

4" APO Refractor Shootout

4 Telescopes Tested: Doublet vs. Triplet vs. Quadruplet vs Quintuplet

Guide to Refractor Optics - Choosing the Best Telescope for You!

Can a 4” ED be everything you need?

A bargain 4" apo! The Sky-Watcher Evostar 100ED refractor.

$300 for a Telescope: Refractor or Reflector?

Skywatcher Telescope the Esprit 100 ED APO Refractor 4 Years Later!

3" vs 4" vs 5" vs 6" vs 7" Refractor Telescope for Visual and Astrophotography. What's better???

The Original Budget Apochromat - Orion's ED80 Refractor!