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Astronomy Technologies Astro-Tech 65mm ED Quadruplet Astrograph Telescope AT65EDQ by Astronomy Technologies

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Astronomy Technologi

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  • 65mm f/6 fully multicoated dual ED quadruplet refractor optics
  • The Astro Tech 65mm EDQ has a dual-speed 2″ rack-and-pinion focuser with 10:1 ratio fine focusing
  • 2″ and 1.25″ non-marring compression ring accessory holders
  • The Astro Tech 65mm ED Quadruplet comes with rotating camera angle adjuster
  • split mounting rings with Vixen-style dovetail


New from Astronomy Technologies the Astro Tech 65mm ED Quadruplet Refractor Astrograph offers an amazingly flat field with its four element ED optical system. The Astro Tech 65EDQ uses an FPL-53 glass element in its triplet objective lens and has a seperate field flattenint ED singlet lens at the rear of the optical tube. This unique optical configuration is what allows the Astro Tech 65mm ED Quadruplet Astrograph to deliver an ultra flat and wide field for deep space imaging.

The Astro Tech 65mm ED Quadruplet Astrograph has:
The Astro Tech 65 EDQ offers an amazing flat field for astrophotographic capabilities
The sliding lens of the Astro Tech 65 shade comes with a with lock knob
finderscope mounting shoe
The Astro Tech 65 Quadruplet comes with a two-year warranty

The Astro-Tech AT65EDQ provides an exceptionally flat and wide field for deep space imaging, with no need for a separate field flattener. While designed primarily as an astrograph, it can also be used visually with a 1.25″ star diagonal and eyepieces. Because of the very close proximity of the field flattening singlet lens to the focuser, the AT65EDQ cannot be used with a 2″ star diagonal.

Enthusiastically received at NEAF, the five available at the show were sold out within an hour! Full details and more images will follow shortly.

Focal Length – 390mm
Focal Ratio – f/6
Resolution – 1.78 arc seconds
Aperture – 2.6″
Net Weight – 4.5 lbs.
Warranty – 2 years


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