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Apertura

Apertura AD10 Dobsonian

The Apertura AD10 is the 10-inch sibling of the AD8 — a 254mm Dobsonian that brings serious aperture to a manageable, self-contained package. Sold exclusively through High Point Scientific in the US. Like the AD8, it shares optical heritage with the Sky-Watcher Skyliner 250PX but comes with upgraded accessories including a dual-speed 2-inch Crayford focuser and 9x50 right-angle finder. At 254mm aperture, galaxies, globular clusters, and planetary nebulae show detail that 6-inch and 8-inch instruments can only begin to reveal. CN and Reddit regulars consistently recommend the AD10 as the natural upgrade from the AD8 for observers ready to commit to aperture.

254mm aperture1200mm focal lengthf/4.7DobsonianDobsonianIntermediate

Product image

Full Specifications

Optics

Aperture254mm
Focal Length1200mm
Focal Ratiof/4.7
Optical DesignDobsonian
Coatings94% reflectivity aluminium mirror coatings

Mount & Tracking

Mount TypeDobsonian
GoTo (Computerised)No
TrackingNo

Focuser

Focuser Size2"
Focuser TypeCrayford dual-speed

Physical

OTA Weight19kg
Total Weight (with mount)27kg
Tube Length1220mm
Tube MaterialSteel

Included Accessories

Eyepieces30mm and 9mm eyepieces
Finder Scope9x50 right-angle correct-image finder
DiagonalNo