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Orion Observer 90 mm EQ is a lightweight refractor mounted on an EQ3 class equatorial mount. This instrument will be perfect as a telescope for beginners who love visual observations, looking for reliable equipment offering impeccable image quality.
This telescope is a classic two-element achromat with an aperture of 90 mm and a light power of f/10. In order to ensure adequate contrast in the field of vision, the lens surfaces have been covered with a full coating made by applying a layer of magnesium fluoride. The aluminum tube is equipped with a rack @ pinion type extractor with a diameter of 1.25 ", enabling the connection of the angular attachment included in the set, significantly improving the comfort of observation.
Orion Observer 90 mm EQ is mounted on a stable equatorial mount with micromovements, which can be extended with an optional drive. The set with the telescope also includes a high-class achromatic 6x30 finder and two Ploessl eyepieces. • achromatic doublet with crown / flint glass lenses fully coated with magnesium fluoride
• optics with 90 mm aperture and f/10 light intensity, perfect for both visual observation of planets and bright deep sky objects
• EQ3 class equatorial assembly mounted on a stable aluminum tripod
• a rich set of attached accessories enabling immediate start of observation • optical design: refractor
• lens system: achromatic doublet with an air gap
• Front lens diameter (aperture): 90 mm
• focal length: 900mm
• light: f/10
• optical system coating: full anti-reflective coating (FC)
• lens material: crown / flint glass
• maximum usable magnification: 180x
• minimum usable magnification: 13x
• magnification with glasses included: 36x, 90x
• resolution: 1.29"
• star range: 12.5 mag
• compatible glasses / diagonals: 1.25 "
• Extraction diameter: 1.25
• rack type: rack & pinion
• angle attachment: 90° Mirror Star
• finder: 6x30 scope
• tube material: aluminum
• mounting type: equatorial (EQ3)
• optical tube mount: dovetail
• counterweight: 1.8 kg
• Counterweight axis diameter: 13 mm
• counterweight axis length: 203 mm
• tripod type: tripod
• tripod material: aluminum
• tripod height adjustment range: 952 mm ÷ 1765 mm
• tube length: 864 mm
• optical tube weight: 2.1 kg
• assembly and stand weight: 5.2 kg
• set weight: 7.3 kg • Orion Observer 90 mm EQ optical tube
• equatorial assembly
• aluminum tripod
• accessory shelf
• 6x30 finder
• Ploessl 1.25" 25mm eyepiece
• Ploessl 1.25" 10mm eyepiece
• angle cap 1.25"
• counterweights
• counterweight rod
• flexible micro-movement knobs
• mounting ring for the optical tube 12 months manufacturer's warranty
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