The new lenses of the ED103S focus the full spectrum of visible light to a critical point much more accurately than past ED product. The ED lenses capture crisp, pinpoint star imagesED103S lenses are almost free of chromatic aberration in all colors and are critically sharp edge to edge. The astro-photographer will be especially pleased with the high contrast images through this telescope.
The GP2 equatorial mount is easy to use and functions well for both the visual observer and astrophotography. The declination and right-ascension functions with 144-tooth aluminum worm gears allow accurate tracking. Motion is controlled by the included control knobs for accurate slewing. The polar altitude adjustment varies from 0° to 62° in altitude.
Specifications:
Optical Design |
ED Apochromatic Refractor |
Aperture |
103mm |
Focal Length |
795mm |
Focal Ratio |
f/7.7 |
Coating |
Multi Coating |
Resolving Power |
1.13 arc sec |
Limiting Magnitude |
11.8 |
Light Gathering Power |
217x |
Focuser |
Dual Speed |
Adapter Thread |
60mm/50.8mm |
Astrophotography |
Prime Focus, Eyepiece Projection & Afocal Imaging |
Visual Back |
Compression Ring |
Optical Tube Length |
31.8” (810mm) |
Optical Tube Diameter |
4.5” (115mm) |
Optical Tube Weight |
8 lb |
Mount |
GP2 Equatorial Mount |
Tripod |
HAL130 Tripod |
Tripod Weight |
12 lb |
Mount Weight |
9 lb |
Counterweights |
8.15 lb (3.7kg) |
Hand Controller |
Optional |
Load Capacity |
20 lbs |
Power Requirements |
None |
RA Slow Motion Axis |
144tooth wheel gear – whole circle movement |
DEC Slow Motion Axis |
144 tooth wheel gear – whole circle movement |
RA Graduations |
Optional (Included in Polar axis scope) |
DEC Coordinate Display |
Optional (Included in Polar axis scope) |
Polar Axis Scope |
Optional |
Altitude Adjustment |
0 to 62 ° (2° increments) |
Azimuth Adjustment |
Double screw fine adjustment |
Motors Drive |
Optional |
Accessories |
7x50mm Finder; Finder Bracket; Flip Mirror; Dovetail Plate; Metal Carry Handle; NLV25mm Eyepiece |
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ED103 W/ GP2 Mount
Item #99542
Price: $ 2599
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