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| Terrestrial Refractor Telescope 90mm x 900mm AZ3 SW909 |
| Get this bargain for the Skywatcher Terresrtrial Refractor Telescope. Fanatstic option for the beginner astronomer. |
| Retail Price: |
$525.00 |
| Our Price: |
$369.00 |
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Diameter/Aperture: 90mm
Focal Length: 900mm
Multi-coated achromatic objective lens
Aluminum tube
Dew cap/Sunshade
Adjustable Objective-lens Cell (available in 2001)
6x30 finderscope for easy location of objects
Pre-assembled tripod for convenient and quick assembly
Smooth rack-and-pinion 1.25" focuser
65% more light gathering power than 70mm
Perfect for serious beginners
| Optical Design |
Achromatic Refractor |
| Diameter |
90mm |
| Focal Length |
900mm |
| Scondary Mirror Diameter |
n/a |
| F/ratio |
F/10 |
| Highest Practical Power |
180x |
| Faintest Steller Magnitude |
12.5 |
| Resoving Power |
1.3 |
| Finderscope |
6x30* |
| Focuser diameter |
1.25” |
| Diagonal |
45º Erect Image* |
| Eyepiece(s) |
1.25” Super 25 and 10* |
| Mount Type |
Alt-Azimuth |
| Slow-motion Control |
Vertical & Horizontal |
| Counterweight(s) |
n/a |
| Piggyback Bracket |
Yes |
| Accessory Tray |
Wall-to-wall |
| Ground Board Diameter |
n/a |
| Ground Board Weight(s) |
n/a |
| Motor Drive |
n/a |
| Go-to |
n/a |
| Tube Weight |
2.49Kgs |
| Tube Dimension(dia. x length) |
9cm x 86.5cm |
| Tripod Height |
71-123cm |
| Shipping Weight |
12Kgs |
| Shipping Carton Dimensions |
103.5 x 45 x 25 cm3 |
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