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Must-have Hac125dx Minigraph F/2 Limited Time 50% Off [wzkEjVOP]

$82.99 $265.99 -69%

 Honders Advanced Catadioptric optical designRadiant Aluminum Quartz (RAQ)™ mirror coatingsWide-open 250mm focal lengthFAST f/2 focal ratio5-inch aperture diameterLightweight 8.4 pounds16mm image circleCollimatable primary mirror cellRear primary mir

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Must-have Hac125dx Minigraph F/2 Limited Time 50% Off [wzkEjVOP]

 

  • Honders Advanced Catadioptric optical design
  • Radiant Aluminum Quartz (RAQ)™ mirror coatings
  • Wide-open 250mm focal length
  • FAST f/2 focal ratio
  • 5-inch aperture diameter
  • Lightweight 8.4 pounds
  • 16mm image circle
  • Collimatable primary mirror cell
  • Rear primary mirror heliacal focuser
  • Clamshell rings with a V-style dovetail
  • Dual finderscope brackets
  • 1.25-inch barrel
  • Included accessories: 1.25-inch adapter, M42x0.75
    adapter, dew shield

The all-new Honders Advanced Catadioptric, or HAC125DX Minigraph is the smallest, fastest astrograph you can find.

The Honders Advanced Catadioptric optical design maximizes its glass with hybrid refractive and reflective surfaces to deliver the sharpest, fastest, lightest catadioptric mini astrograph (minigraph) available.

The Sky-Watcher Honders Advanced Catadioptric (HAC) telescope is a sophisticated, high-speed astrograph designed for fast, wide-field imaging in a compact package. Unlike other small refractor astrographs, the HAC125DX features a lightning-fast f/2 focal ratio allowing you to capture images 5x faster than a standard f/4.9 optic. With this kind of speed that means more data in less time and no need to autoguide!

Compared to the original HAC125 the HAC125DX features a rear focusing mechanism on the primary. This allows for a wider range of cameras to be used compared to the original model and makes focusing easier when the telescope is in use. The telescope features a 16mm image circle which is ideal for IMX533 and 585 cameras. While small, at only 15.7-inches long the HAC125DX offers a powerful imaging platform for both beginners and advanced imagers.

The HAC125DX is the ultimate grab-and-go astrograph. Fast optics and small size make it easier to get out and enjoy the hobby you love. Attach it to your favorite portable mount and you are ready to capture the universe in virtually no time at all! The HAC125DX is not just another astrograph, it’s a Minigraph that is ready for all your astronomy adventures.

HAC125DX Data Sheet (pdf)

Specifications

SKU S11250
UPC 810098970648
Optical Specifications
Optical Design Honders Advanced Catadioptric
Mirror Coating Radiant Aluminum Quartz (RAQ)™ Coatings
Reflectivity 0.94
Mirror Type (Monolithic/Conical/Fused conical) Mangin
Corrector Coating HTMC™
Glass Type Borosilicate
Primary Aperture (mm) 125
F/Ratio 2
Focal Length (mm) 250mm
Image Circle 16mm
Secondary Obstruction by Diameter 53mm
Secondary Obstruction by Area 0.425
Primary cell supports (how many support points) Rear Support
Optical Quality Diffraction limited (1/4 wave)
Collimatable Cell Primary
Mechanical Specifications
Focuser Type Primary focus
Focuser Size Primary Mirror Helical
Focuser: Dual or Single Speed Single
Compression Ring No
Optical Tube length 15.7 inches
Optical Tube diameter 6.3 inches
Optical Tube weight 8.4 pounds
Accessories
Included finder None
Mounting Hardware Clamshell rings with V-style dovetail
Additional Accessories 1.25" & M42x0.75 camera adapters
Manual No
Case No
Shipping Weight 10 pounds
Shipping Dimensions 19.3"x10.6"x11"
Observational Info
Dawes Limit 0.93
Rayleigh Limit 1.12
Limiting Magnitude 12.96
Light Gather (compared to next size down) 56% (compared to 100mm telescope)
Intended use Imaging

What Our Customers Say

January 25, 2026

Absolutely no complaints!

This product is a superb choice for its reliability and its design.

- Meilani O..

January 25, 2026

Absolutely no complaints!

This product is a brilliant investment. The craftsmanship is excellent.

- Karsyn J..

January 25, 2026

Absolutely no complaints!

This product is a superb find. The build quality is top-notch.

- Novalee N..

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