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Vixen ED115SWT with GPD2 Mount (ITEM #99802/99802M)
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The new ED 115S lens focuses the full spectrum of visible light to a critical point much more accurately than past ED products. The ED115S 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 GPD2 equatorial mount is the stronger and heftier of the GP mounts. It is easy to use and functions well for both the visual observer and astrophotographyWith it’s solid steel R. A. and Declination axes and brass worm gears this mount will hold up to years of heavy use. In order to assure accurate tracking for astrophotography the worm, gears are especially machined to a very high precision that minimizes periodic error.
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Optical Design |
ED Apochromatic Refractor |
Aperture |
115mm |
Focal Length |
890mm |
Focal Ratio |
f/7.7 |
Coating |
Multi Coating |
Resolving Power |
1.01 arc sec |
Limiting Magnitude |
12.1 |
Light Gathering Power |
270x |
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 |
GPD2 Equatorial Mount |
Tripod |
HAL130 Tripod |
Tripod Weight |
12 lb |
Mount Weight |
19 lb |
Counterweights |
4.2 lb (1.9 kg) and 8.15 lb (3.7kg) |
Hand Controller |
Optional |
Load Capacity |
25 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 |
10 min. increments |
DEC Coordinate Display |
2° increments |
Polar Axis Scope |
6x20mm wide 8° Field of View |
Altitude Adjustment |
0 to 62 ° (2° increments) |
Azimuth Adjustment |
Double screw fine adjustment |
Motors Drive |
Optional |
Accessories |
7x50mm Finder; Finder Bracket (Long); Flip Mirror; Dovetail Plate; Metal Carry Handle; NLV25mm Eyepiece |
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ITEM #99802
Price: $4599 |
The D2M Motor Drive Set includes DD-2 controller, two MT-1WT motors and a battery box.
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Drive Speed: Sidereal rate, 1.5x, 2x, and 32x, pause and reverse motions
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Electricity Consumption: 0.8ampere (max)
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Voltage: DC 7.5 to 12 volts
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Batteries: 8 x D Batteries (Not Included)
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Continuous Operation Duration: About 20 hours with Alkaline Batteries
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Operation Temperature: 14° to 122°
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Applicable Mounts: GP2, GPD2, GP, GP=DX, GP-E
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ITEM #99802M (with DD2 Motor Set)
Price $5099
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