Last year, Tele Vue introduced the first set of focal lengths (7mm, 11mm, and 18.2mm) of their new DeLite eyepieces (You can read William Paolini's exclusive review of those eyepieces here ). Recently, they released their much anticipated second series of focal lengths for the DeLite eyepieces in 5mm, 9mm, and 15mm. In this review, Bill Paolini, author of the book "Choosing and Using Astronomical Eyepieces", reviews these new eyepieces and puts them through their paces. He compares them to other premium eyepiece brands during observations of deep-sky objects, the Moon, and planets through a variety of telescopes. His verdict on these new focal lengths of Tele Vue's DeLite eyepieces? Read below to find out...

• 1. Overview
• 2. Build Quality and Form Factor
• 3. Observational Testing
  • 3.1. Observational Testing: Moon
  • 3.2. Observational Testing: Stars, Rich Star Fields, Open Clusters,