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Cylindrical 10mm eyepiece with 35mm eye lens and adjustable eyeguard

Tele Vue

Tele Vue 10mm Delos 72° 20mm Eye Relief Eyepiece

SKU CH-KNS3-ZVX13

A 10mm astronomical eyepiece delivering a 72° apparent field with 20mm eye relief and a 35mm eye lens for high-contrast, full-field clarity

  • Sharp 72° apparent field reveals expansive celestial views
  • 20 mm eye relief allows comfortable observing with glasses
  • 35 mm eye lens blocks stray light for better contrast
  • Glass-matched multi-coatings maximise light transmission and colour fidelity
  • Adjustable locking eyeguard holds preferred eye position securely

10mm Delos Eyepiece for Astronomy

This 10mm Delos eyepiece from Tele Vue is built for astronomical observation. It delivers a 72-degree apparent field of view and 20mm eye relief. The design suits observers who want wide-field views with comfortable eye positioning, including eyeglass wearers.

Sustained Viewing Comfort and Contrast

Fully multi-coated lenses and blackened edges maintain light transmission and contrast during long sessions. A 35mm eye-lens diameter blocks stray light from entering the eye. The continuously adjustable eyeguard locks at any height to preserve the optimal viewing position over time.

20mm Eye Relief Decides Fit

The 20mm eye relief is the specification that determines whether this eyepiece works for your eyes and glasses. It provides the necessary clearance for comfortable, full-field viewing without vignetting. Buyers who need shorter eye relief for specific optical trains should verify compatibility before purchase.

How it compares

Measured against everything we stock in Binoculars, Scopes & Sights, at today’s prices. Recalculated every night.

Price $336.99
Pricier than about 75% of the 1,401 comparable items (median $93.99).

Specifications

No published specifications for this item yet.

Questions about this item

How much eye relief does the 10mm Delos give for all-night observing?

The eyepiece provides 20mm of eye relief, allowing comfortable extended viewing even for eyeglass wearers.

What extra items are needed before the 10mm Delos can be used?

You need a telescope with a compatible focuser that accepts the eyepiece barrel size.

Will the 72° apparent field match the view through my older narrower eyepieces?

The 72° apparent field is wider than many classic designs, so objects will appear more expansive at the same magnification.

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