APM 180/1260LW f/7 Triplet Refracting OTA Telescope

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APM 180/1260LW f/7 Triplet Refracting OTA Telescope

The APM 180/1260 is not only a wonderful, powerful visual APO telescope for lower power, wide-field observations and higher power, super high contrast planetary and double star observations, but it is also a superb imaging machine. The tube assembly has been redesigned to be even more compact and lightweight than previous models and is still considered transportable. The APM 180/1260 is a high-end APO that is solidly at home on either a medium-sized, transportable mount or in an observatory on a high-end mount with a pier.

The strong, lightweight CNC LW II tubes incorporated into the design of the APM 180/1260 refractor are manufactured in Germany of the best materials and with fine attention to details and overall mechanical quality. The dew shield slides smoothly over the optical tube assembly without scratching the paint. The tube's internal baffles are matched for a large usable photographic field.

The Starlight Instruments Feather Touch focuser included with the APM 180/1260 APO is a full 3.5". It rotates smoothly and with zero image shift. This zero shift rotation is very important when your camera has already achieved its best focus and you would like to rotate it to the best possible position. The 50mm quick release finder bracket and dovetail base are mounted on the fully rotatable focuser, allowing you to rotate your finder, just like your camera, to the best position. The Feather Touch focuser comes with large anodized knobs, an attached 3.5" to 2" adapter and a 2" to 1.25" clamp-style adapter to protect your eyepieces and diagonals from scratches.

The included tube rings in the APM 180/1260 APO package are flat on both sides and have five tapped 1/4-20 inch holes perpendicular to the tube line with one centered. The middle two hole's center to center spacing is 60mm (2.362") and the outer two hole's spacing is 3.2" (Astro-Physics standard).

APM Telescope 180/1260 APO Triplet Refractor Features

  • Quick-release 50m finder bracket and retractable dew shield included.
  • Feathertouch focuser is rotatable, offers the choice of two speeds, and includes an indexed drawtube and internal brake
  • While not as light as the LW tube, this telescope still weighs just 39 lbs!
  • CNC tube rings with flats on both ends.
  • 3.5 -2-1.25" eyepiece adapters with brass compression rings.
  • Triplet air-spaced Super ED APO with advanced multi-coatings.


Aperture180 mm (7")
Camera/Eyepiece Connection2" Nosepiece
Dawes Limit0.64 arcseconds
Dew Shield Size256mm
Focal Length1260 mm
Focal Ratiof/7
Glass TypeED
Highest Magnification360x
Light Gathering Power661x
Limiting Magnitude15
Optical DesignTriplet
Tube Diameter216mm
Tube Length1085mm
Tube Length1110mm
Tube Weight43 lbs
Tube Weight44.5 lbs