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Orion

Orion AstroView 90mm EQ Refractor

A 90mm achromatic refractor on a proper equatorial mount, positioned well above toy-store refractors. The 910mm focal length at f/10.1 is well suited to lunar and planetary observation with a modest budget. The equatorial mount introduces the observer to polar alignment and makes Saturn tracking more intuitive than an alt-az platform. Sharp, colour-correct views for the aperture. A classic first refractor for the careful buyer who wants the refractor experience with a proper mount underneath it.

90mm aperture910mm focal lengthf/10.1RefractorEquatorialBeginner

Product image

Full Specifications

Optics

Aperture90mm
Focal Length910mm
Focal Ratiof/10.1
Optical DesignRefractor
Lens Elements2-element
CoatingsFully multi-coated achromatic doublet

Mount & Tracking

Mount TypeEquatorial
GoTo (Computerised)No
TrackingNo

Focuser

Focuser Size1.25"
Focuser TypeRack and pinion

Physical

OTA Weight2.7kg
Total Weight (with mount)7kg
Tube Length910mm
Tube MaterialAluminium

Included Accessories

Eyepieces25mm and 10mm Sirius Plössl
Finder ScopeEZ Finder II red dot
DiagonalYes