Shop By Category Telescopes Refractor Telescopes Celestron
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This portable refractor telescope offers detailed lunar and planetary observations with two eyepieces for varied magnification, an equatorial mount for precise tracking, and an erecting prism for terrestrial viewing, all supported by an adjustable, stable tripod for easy setup and reduced vibrations.
The Celestron AstroMaster 90EQ 90mm f/11 Refractor Telescope is a complete observational platform that is easy to assemble and break down without tools, allowing for quick setup and use.
It's ideal for detailed observations of the Moon, planets, or comet-hunting. The integrated erecting prism allows for terrestrial viewing as a conventional spotting scope.
The manual equatorial mount, with its slow-motion cables and setting circles, ensures smooth, precise tracking and reduced vibrations for celestial navigation.
The adjustable-height stainless steel tripod provides stability and vibration reduction, with a centre tray for convenience. The 90° diagonal allows for comfortable viewing, especially when the scope is pointed at or near the zenith.
Fully multi-coated 90mm optics improve light transmission, colour rendition, and contrast, providing clear and vivid images.
| Optical Tube Assembly | |
|---|---|
| Optical Design | Refractor |
| Aperture | 90 mm / 3.5" |
| Focal Length | 1000 mm |
| Focal Ratio | f/11 |
| Resolution | 1.29 Arcsec (Dawes) 1.55 Arcsec (Rayleigh) |
| Eyepiece Barrel Diameter | 1.25" on OTA |
| Diagonal | Erecting |
| Finderscope | Yes |
| Mounting | Dovetail |
| Optical Tube Dimensions | Length: 30.3" / 77 cm |
| Type | Manual: German Equatorial |
|---|---|
| GoTo Capability | No |
| Payload Capacity | No |
| Type | Adjustable |
|---|---|
| Tripod Height Adjustment Range | 32.0 to 51.0" / 81.3 to 129.5 cm |
| Material of Tripod | Stainless Steel |
