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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 offers several benefits for astronomy enthusiasts.
This telescope is ideal for observing the Moon, viewing planets, and comet-hunting, and can also function as a conventional spotting scope for terrestrial use.
The telescope is easily assembled and disassembled without tools, ensuring quick setup for immediate use.
Equipped with two eyepieces, it provides a range of magnifications, and the integrated erecting prism corrects images for better clarity.
The adjustable-height stainless steel tripod ensures stability, while the 90° diagonal allows for comfortable viewing angles.
The manual equatorial mount, with slow-motion cables and setting circles, enables precise celestial navigation and reduced vibrations.
| 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 |
