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User level:
Beginner Intermediate Advanced
Price:
$125 - $200 $200 - $400 $400 - $600 $600 - $800 $1600 - $2400
Best for viewing:
Lunar & planetary Brighter deep sky Fainter deep sky Lunar & bright deep sky
Best for imaging:
Lunar & planetary Deep sky Solar, lunar, planetary & Messier objects Lunar & terrestrial
Optical design type:
Refractor Dobsonian Maksutov-Cassegrain Maksutov-Newtonian
Mount type:
Altazimuth Equatorial Dobsonian Optical Tube without Mount
Telescope aperture range:
Up to 102mm (Up to 4") 103mm - 152mm (4" - 6") Over 254mm (Over 10")
Telescope f/ratio range:
Up to f/5.0 f/5.1 - f/8.0 f/8.0 - f/10.0 Over f/10.0
Assembled weight range:
11 lbs. - 25 lbs. 41 lbs. - 75 lbs.
Eyepiece focal length range:
Up to 12mm 13mm - 20mm Over 20mm
Barrel diameter:
1.25" 2"
Eyepiece apparent field of view range:
60° - 68° Over 68°
Lens elements range:
5 - 6 Over 6

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Explore Scientific FirstLight AR90 AZ Refractor Telescope
FirstLight AR90mm White Tube Refractor with 500mm focal length f/5.5 telescope with Alt/AZ "U" Yoke mount; Aluminum tripod; 1.25" draw tube focuser; 90-deg Erect Imaging Diagonal; 1.25" K9 and K20 eyepieces; HD119 Red-dot Finder; Smartphone adapter.
$159.99
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