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Tele Vue Delos 12mm Compact Wide-Field 1.25" Eyepiece with 72 Degree Field of View

SKU: TV12D MFR: EDL-12.0
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Key Features

  • Enjoy stunning, wide-field views with this 12mm Tele Vue Delos eyepiece.
  • Experience exceptional clarity with the eyepiece's advanced lens coatings.
  • The 72-degree field of view delivers immersive astronomical observations.
  • Long 20mm eye relief ensures comfortable viewing sessions, even with glasses.
  • Achieve optimal magnification for detailed planetary and lunar viewing.
  • Compact and lightweight design makes this 1.25" eyepiece easy to transport.
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Special Order?Estimated to Ship: 09/10/2025
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Questions & Answers

Shopper : Why Did You Choose This?Kenneth P : My telescope has a focal length of 1200mm, this eyepiece gives me 100X (power). There are cheaper eyepieces on the market, but you'd be hard pressed to find a better built one.DAVID R : Quality

Reviews about this item

Review Summary

2022-01-05T08:09:58

Rated 5 out of 5

Tele Vue Delos

Excellent eyepiece! Perfect for Questar 3.5

DAVE S.

2021-08-05T09:53:51

Rated 5 out of 5

Tele Vue 17.3mm Delos eyepiece

Great eyepiece for this beginner. I?ll save my nickels and dimes and order the 10mm Delos then I?ll be set.

AL A.

2021-07-20T09:22:35

Rated 5 out of 5

As great as I had hoped...

Performs exactly as I had hoped. Super sharp clarity and, as a glasses-wearer, the eye relief is WONDERFUL!

JASON W.

2021-05-21T09:53:57

Rated 5 out of 5

Great contrast and clean edges

I use this is my 10in F/5 Newtonian. Stars look like their sitting on black velvet and are round out to the edge of the FOV. The slide up eyecup makes setting the eye placement easy every time. Would recommend.

BRIAN M.

2021-03-17T09:35:40

Rated 5 out of 5

Love my Tele Vue 10mm Ethos

Great Tele Vue Ethos eyepiece. I use it when the seeing in my particular area is above average. 100 degree view is just incredible!

Aaron J.

2020-08-17T12:40:06

Rated 5 out of 5

Televue Delos 4.5 mm eyepiece

Fantastic eyepiece. The views of Jupiter are incredible. Cassini division in Saturn rings is easily visible. I recommend this eyepiece for planetary observation

LUCIAN S.

2020-01-19T11:32:36

Rated 5 out of 5

Excellent eyepiece for visual astronomy

I purchased the 17.3 Delos for a new telescope (f5 12.5" Newtonian reflector) because I have been using one for several years at my astronomy club's observatory, and found it to be an excellent telescope on a fast (f3.5 16", plus Paracorr) Newtonian. Sharp stars to the edge, nice balance of field flatness and distortion (very low in both cases). Great eye relief.

Drew C.

2019-07-04T17:21:20

Rated 5 out of 5

Great eyepiece!

I absolutely love this Delos Eyepiece. It is very crisp sharp I am very impressed with televue optics only complaint wish they were cheaper. The eye relief is great and the images are great the eyepiece adjusts easy for your eyes compared to the explore scientific 82 series I can say the contrast maybe a little more on the es but the Delos is more crystal clear tack sharp and just a joy to look though.

Kenneth W.

2018-07-25T12:29:34

Rated 5 out of 5

Perfect, like all TV equipment.

Not much to say here - these the best EPs money can buy.

ALEXANDER T.

2017-05-31T06:41:11

Rated 5 out of 5

Tele Vue Delos 17.3mm

This is the best eyepiece I've used with my 4 inch refactor. The images are clear and sharp across the field. It is now my favorite eyepiece and I will defiantly add another Delos to my collection!

STEPHEN K.

2014-07-23T21:00:00

Rated 5 out of 5

Nice eyepiece!

I purchased this eyepiece at the suggestion of the rep at Televue. After quick delivery and waiting out two rainstorms I was upset that I spent the money for this piece. I read the instructions and read where this line of EP's adjust for Astigmatism. I tried it on the next clear night and was amazed! I saw Saturn with the utmost clarity after I made the adjustment. I saw the gap in the rings and bands around the planet. This one is a keeper and may be accompanied by the rest of the set!

SAMUEL H.

Tele Vue Delos Specifications

  • Focal Length

    12 mm

  • Barrel Diameter

    1-1/4"

  • Eye Relief

    20 mm

  • Field Stop Diameter

    15 mm

  • Apparent Field of View

    72deg.

  • Weight

    14.4 oz (408 g)

About Tele Vue Delos

FEATURED REVIEWS

Nice eyepiece!

By SAMUEL H.

I purchased this eyepiece at the suggestion of the rep at Televue. After quick delivery and waiting out two rainstorms I was upset that I spent the money for this piece. I read the instructions and read where this line of EP's adjust for Astigmatism. I tried it on the next clear night and was amazed! I saw Saturn with the utmost clarity after I made the adjustment. I saw the gap in the rings and bands around the planet. This one is a keeper and may be accompanied by the rest of the set!

Tele Vue Delos 17.3mm

By STEPHEN K.

This is the best eyepiece I've used with my 4 inch refactor. The images are clear and sharp across the field. It is now my favorite eyepiece and I will defiantly add another Delos to my collection!

Where precision meets immersive stargazing, the Tele Vue Delos 12mm Compact Wide-Field 1.25" Eyepiece stands out as an exemplary choice for astronomy enthusiasts. Engineered for superior mid to short-range lunar and planetary observations, this high-quality eyepiece boasts a generous 72-degree field of view, offering a broad and expansive panorama of the night sky. Its versatility is further enhanced by the wide pupil diameter and adjustable eye relief, which cater to a variety of viewing preferences and ensure a comfortable, strain-free experience during extended observation sessions.

Crafted with durability in mind, the Tele Vue Delos 12mm eyepiece features innovative anti-reflective multicoated optics that deliver bright, high-contrast, and color-accurate images across the entire field of view. The reliable performance is complemented by an adjustable height rubber eyecup, which effectively blocks out stray light, thus preserving the integrity of the celestial spectacle before you.

The eyepiece's design is not only versatile but also user-friendly, accommodating both eyeglass wearers and non-eyeglass wearers alike. This attention to detail ensures that every user can achieve the perfect eye position and enjoy the full visual potential of this innovative eyepiece.

Whether you're a seasoned astronomer or a curious sky-watcher, the Tele Vue Delos 12mm Compact Wide-Field Eyepiece is a testament to the brand's commitment to providing reliable and high-performance accessories for your telescopic endeavors. Choose this eyepiece for its unparalleled viewing experience and join a community of satisfied astronomers who trust in the Delos series for their celestial explorations.

Tele Vue Delos Features

  • Wide 72deg. apparent field of view displays a broad image with minimal optical distortion, ideal for detailed planetary and lunar observation
  • Images are color neutral from edge to edge, even as the observed object approaches the field stop. Anti-reflective multicoated optics ensure bright, high contrast, color faithful light transmission
  • Wide pupil diameter and adjustable eye relief ensure comfortable long-duration observation through your telescope
  • Prevent stray light from degrading the transmitted image by adjusting the fold-down rubber eyecup

Key Features

  • Enjoy stunning, wide-field views with this 12mm Tele Vue Delos eyepiece.
  • Experience exceptional clarity with the eyepiece's advanced lens coatings.
  • The 72-degree field of view delivers immersive astronomical observations.
  • Long 20mm eye relief ensures comfortable viewing sessions, even with glasses.
  • Achieve optimal magnification for detailed planetary and lunar viewing.
  • Compact and lightweight design makes this 1.25" eyepiece easy to transport.

What's in the box:

  • Tele Vue 12mm Delos Compact Wide-Field 1.25" Eyepiece w/72 Degree Field of View
  • Tele Vue Limited Lifetime Warranty