Description
The Sky-watcher EVOSTAR series are two-element, air-spaced, multi-coated objective achromatic refractors. They are truly outstanding, high-performance, high-resolution instruments manufactured to extremely high standards of optical and mechanical precision. With their long focal lenghs and breathtaking, diffraction limited optical performance, they are ideal for the detailed high-power study of the Moon, Planetary Surfaces and other objects in our solar system, giving crisp contrasty images. These telescope packages will stand you in great stead for a lifetime of serious astronomical viewing.
– Diameter/Aperture: 102mm
– Focal Length: 1000mm
– Multi-coated achromatic objective lens
– Aluminum tube
– Dew cap/Sunshade
– Adjustable Objective-lens Cell
– 6×30 finderscope for easy location of objects
– Smooth rack-and-pinion 2″ focuser with a 1.25″ adapter, accepting both 1.25″ and 2″ eyepieces
– 28% more light gathering power than 90mm, 112% more than 70mm
– Ideal for high-power study of the moon and planets
– Pre-assembled tripod for convenient and quick assembly
Specificationt :
| Optical Design | Achromatic Refractor |
| Lens Material | |
| Diameter | 102mm |
| Focal Length | 1000mm |
| Scondary Mirror Diameter | n/a |
| F/ratio | F/9.8 |
| Highest Practical Power | 204x |
| Faintest Steller Magnitude | 12.7 |
| Resoving Power | 1.15 |
| Finderscope | 6×30* |
| Focuser diameter | 2” |
| Diagonal | 2” 90º Star Diagonal with 1.25” adapter* |
| Eyepiece(s) | 1.25” Super PL26 and Super PL10* |
| Mount Type | Equatorial |
| Slow-motion Control | RA & DEC |
| Counterweight(s) | Total 5.2Kgs (2 pcs) |
| Piggyback Bracket | Yes |
| Accessory Tray | Wall-to-wall |
| Ground Board Diameter | n/a |
| Ground Board Weight(s) | n/a |
| Motor Drive | Single & Dual (Optional)* |
| Go-to | n/a |
| Tube Weight | 3.48 Kgs |
| Tube Dimension(dia. x length) | 10cm x 94.3cm |
| Tripod Height | 71-123cm |
| Shipping Weight | 22.15Kgs |
| Shipping Carton Dimensions | 97 x 66 x 28 cm3 |
