Advice

Read our advice articles, then call Tele Vue for recommendations on your specific application: 1-845-469-4551.

Eyepieces
Why Choose Tele Vue Eyepieces
Design, construction and Warranty info.
Choosing Eyepieces (Basic)
Magnification, field of view, power, amplifiers and correctors.
Choosing Eyepieces (Advanced)
Advanced concepts originally published in the journal Eyepiece
An Eyepiece Primer
How eyepieces work, including power, field of view and aberrations.
David Nagler Eyepieces Video Interview
David Nagler talks eyepieces on Deep Astronomy YouTube video show.
David Nagler Talks Eyepieces at RCE '19
David Nagler talks eyepieces, Barlows, & Powermates at RCE 19.
Tele Vue Eyepieces for Tele Vue Refractors
Eyepieces for 6" to 10" Dobsonians with 1,200mm Focal Lengths
Eyepieces for 8" SCT
Instadjust Info on Radians & Nagler Type-4 Eyepieces
Eyepiece Distortion
Rectilinear and angular magnification distortion
The Majesty Factor
Compare eyepieces by quantifying contrast, power, and apparent field.
Astronomical Sketching
Blog posts on astronomical sketching with Tele Vue eyepieces.

Tele Vue Eyepiece Specifications
Specifications for all our eyepieces.
Telescopes
Why You Should Choose a Tele Vue Telescope
Benefits of TVO refractors and Warranty info.
Telescope Recommendation and Specifications
Chart compares all Tele Vue telescopes.
Telescope Formulas, Common Telescope Myths
Choosing Your Telescope's Magnification
Topics include eyesight, telescopes optics, atmosphere, targets & image sharpness.
Tele Vue APO Design and Build 'Secrets'
Tele Vue 'tells all' on refractor design and build.
The Perfect Telescope is...
Imaging
Imaging Methods
Prime focus, Digiscoping, eyepiece projection, amplifiers and reducers.
Optics / Observing
The Joys of Low-Power Viewing
Determining When To Use Eyeglasses
How Cameras, Binoculars and Telescopes Work
Basics and interpreting specifications.
Cleaning Eyepiece and Telescope Optics
Website
Website Help
Help with the website.