Description
The Sky-Watcher HAC125 DX introduces a new concept in deep-sky imaging — compact, ultra-fast, and designed for today’s digital astrophotography. With its 125mm aperture and incredibly fast f/2 focal ratio, the HAC125 DX delivers bright, wide-field images with minimal exposure times, making it the perfect traveller’s deep space companion.
Built on the Honders Advanced Catadioptric (HAC) optical design, this innovative system provides pinpoint stars across a generous field of view, with a corrected image circle ideal for modern imaging sensors. Focusing is handled at the back end of the telescope, simplifying setup and ensuring precise focus adjustments during imaging sessions.
The HAC125 DX is also engineered for broad camera compatibility, supporting a wide range of CCD and CMOS astrophotography setups. Compact, lightweight, and optimised for speed, it redefines what’s possible for wide-field deep-sky astrophotography on the move.
Key Features
- Aperture: 125mm
- Focal Length: 250mm
- Focal Ratio: f/2 (ultra-fast)
- Optical Design: Honders Advanced Catadioptric (HAC)
- Field of View: Pinpoint image diameter >16mm or >3.7°
- Camera Interface: 1.25” | M42 × 0.75
- Focusing System: Rear-mounted for easy adjustments
- Imaging Ready: Compatible with a wide range of CCD and CMOS cameras












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