Lunt Engineering 70mm f/6 ED Doublet OTA

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  • Regular price $399.00
  • ITEM #
    LS-LE70-OTA


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Features

Lunt Engineering 70mm f/6 ED Doublet OTA

Lunt Engineering 70mm ED Doublet OTA


This Lunt Engineering 70mm f/6 ED Doublet OTA is an excellent telescope for either traditional nighttime viewing of the solar system or for viewing the sun with a solar filter. Fully multi-coated eyepiece lenses for reduction of unnecessary light being reflected back by the lens. Includes a 10:1 Crayford style focuser, making focus adjustments much easier, and a 2" to 1.25" adapter for better deep sky imaging.

Lunt Engineering 70mm ED Doublet OTA Features...

  • Focal Ratio: f/6
  • Focal Length: 420mm
  • Fully multi-coated lenses
  • 10:1 Crayford style focuer
  • 2" to 1.25" adapter
  • Hard side carrying case with fitted foam
  • Diagonal not included

Note for mounting: The holes are tapped for ?????-20 . The spacing is 17.5mm from the outside tapped holes to the center.

Lunt Engineering Product Number: LE70-OTA

Additional Information

ManufacturerLunt Solar

Questions & Answers

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  • Does this come with a mounting bracket, and if so what? What does it weigh?

    the Lunt Engineering 70 OTA is ~4.6lbs with a Vixen dovetail foot (10lbs boxed and shipped)

  • How does the chromatic focal shift from C to F compare to a BK7/F2 doublet? Thanks.

    I will check with Lunt to see if they have any multispectral focal shift information, but I am not sure they have the graphs handy. Even if they do, I am not certain that they have a comparison chart for a BK7/F2 doublet of equivalent aperture and f/ratio

  • Please could you let me know the physical length of the OTA?

    According to Lunt Engineering, the 70mmED OTA is 12 1/4” in length fully collapsed with 2” to 1.25” focuser adapter installed. With the dew shield out, a diagonal attached, and the focuser racked out, it will be a few inches longer.

  • Please could you let me know the physical length of the OTA?

    According to Lunt, the 80mmED OTA is 17 1/2” in length fully collapsed with 2” to 1.25” focuser adapter installed. With the dew shield out, a diagonal attached, and the focuser racked out, it will be a few inches longer.

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