Orion SkyQuest XT4.5 Classic Dobsonian Telescope
Orion SkyQuest XT4.5 Classic Dobsonian Telescope
Now everyone with a curiosity for space can explore its wonders to their hearts’ content. With an Orion SkyQuest XT4.5 Classic Dobsonian reflector telescope stargazing is easy and fun for the whole family. Its portable size, innovative design, and point-and-view simplicity make it an extremely user-friendly telescope for beginners and intermediate stargazers alike.
Top Features-
- Compact and lightweight - a perfect Dobsonian reflector telescope for traveling or to easily take out to the backyard at home
- 4.5" aperture and 910mm focal length provide clear views of lunar craters and plains on the Moon, planets, bright nebulas and galaxies
- Sturdy and portable Dobsonian base and handy navigation knob allow for effortless maneuvering of the reflector optical tube
- Collects a whopping 260% more light than a typical beginner-level 60mm refractor telescope - which means hundreds more objects will be visible through the Orion SkyQuest XT4.5 Classic Dobsonian
- Includes two eyepieces (25mm and 10mm focal length Sirius Plossl), 6x30 finder scope, 1.25" rack and pinion focuser, collimation cap, eyepiece rack, Starry Night astronomy software, and more!
In the Box-
- Orion SkyQuest XT4.5 Dobsonian optical tube assembly
- 25mm Orion Sirius Plössl telescope eyepiece (1.25")
- 10mm Orion Sirius Plössl telescope eyepiece (1.25")
- Orion 6x26 correct-image finder scope
- Finder scope bracket with O-ring
- Collimation cap
- Telescope eyepiece rack
- Dust cap
- Left panel
- Right panel
- Front brace
- Top base plate
- Ground base plate
- Base assembly screws
- Trip caps (black)
- Plastic telescope feet
- Feet attachment wood screws (length 3/4")
- Self-adhesive rubber bumper
- Large hex-head bolt (length 2")
- 3/8" washers
- 3/8" lock nut
- Nylon spacer (white)
- T-nut
- Spring coils
- Pull loops
- Nylon spacers
- 1/4" washers
- Phillips-head screws
- Starry Night special edition software
Specs-
Best for viewing: Brighter deep sky
Best for imaging: Lunar & planetary
User level: Beginner
Optical design: Reflector
Finder scope magnification: 6x
Optical diameter: 114mm
Finder scope lens diameter: 26mm
Focal length: 900mm
Focal ratio: f/7.9
Optics type: Spherical
Glass material: Soda-lime plate
Eyepieces: Sirius Plossl 25.0mm, 10.0mm
Magnification with included eyepieces: 36x, 91x
Resolving power: 1.02arc*sec
Lowest useful magnification: 17x
Highest useful magnification: 228x
Highest theoretical magnification: 228x
Limiting stellar magnitude: 12.9
Optical quality: Diffraction limited
Finder scope: 6x26 Correct-image
Focuser: 1.25" Rack-and-pinion
Secondary mirror obstruction: 28mm
Secondary mirror obstruction by diameter: 24%
Secondary mirror obstruction by area: 6%
Mirror coatings/over-coatings: Aluminum & Silicon Dioxide
Mount type: Dobsonian
Astro-imaging capability: Simple moon shots
Computerized compatibility: Not compatible
Bearing material: Teflon and UHMW bearings
Tube material: Steel
Tripod material: Wood
Length of optical tube: 35.0 in.
Weight, fully assembled: 17.6 lbs.
Additional included accessories: Collimation cap, Eyepiece rack
Other features: CorrecTension system, Navigation knob, Integral carry handle
Warranty: One year