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Item Includes Description Features Specifications

Vixen ED103S , 4.1", 103mm, Refractor Optical Tube with GPD2 Mount, HAL130 Tripod, Star Book S, NLV 25mm Eyepiece.

Mfr. Part: 99543     SKU: VXED103SGPDS

Vixen ED103S , 4.1", 103mm, Refractor Optical Tube with GPD2 Mount, HAL130 Tripod, Star Book S, NLV 25mm Eyepiece.
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Item Includes

Vixen ED103S Optical Tube - 7x50 Finder - 2" Focuser - 1.25" Flip Mirror Diagonal - Tube Rings - Dovetail Plate - Great Polaris Deluxe (GPD2) Mount with Dual-Axis Drive - Bubble Level - Counterweight - Starbook S Controller - HAL130 Tripod -NLV 25mm Eyepiece - Instruction Manual - Vixen Warranty

Description

The Vixen ED103S is an apochromatic refractor, with fantastic contrast and a 4" aperture, sufficient for viewing most of the planets and many stars. With its ED glass elements, chromatic aberration has been reduced to nearly undetectable levels, permitting a much more practical use of the higher magnifications quoted in the specifications.

Vixen's ED Glass has brought refractors back to the forefront of premium telescope choices, to compete with the 8" and larger ubiquitous Schmidt-Cassegrains that bring in enormous quantities of light but simply cannot compare to the contrast of the apochromatic refractor. The included flip-mirror adapter allows either 90° or straight-through observing. With an eyepiece upon each end of the flip-mirror, you can quickly switch between the two as the declination of your object of interest changes its location in the sky.

The GPD2 equatorial mount is the stronger and heftier of the GP mounts. With 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. Add the new Vixen Starbook S with built in starchart for complete Go-To capabilities.

The GPD2 holds almost 50% more weight than the GP2 and comes standard with tripod and counterweight. It is easy to use and functions well for both the visual observer and astrophotography. Motion is controlled by included control knobs for accurate slewing. The polar altitude adjustment varies from 0° to 62° in altitude.

Features

With its ED glass elements, chromatic aberration has been reduced to nearly undetectable levels
The included flip-mirror adapter allows either 90 or straight-through observing
With an eyepiece upon each end of the flip-mirror, can quickly switch between the two as the declination of object of interest changes its location in the sky
The GPD2 equatorial mount is the stronger and heftier of the GP mounts
With 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

Specifications

ED103S TypeRefractor
ED103S Objective Diameter4.1" (103mm)
ED103S Focal Length31.3" (795mm)
ED103S Focal Ratiof/7.7
ED103S Tube Length32.3" (820mm)
ED103S Tube Diameter4.5" (115mm)
ED103S Tube Weight7.9 lbs (3.6 kg)
ED103S Finder/Visual/Mounting7 x 50mm; 2" holder, 1-1/4" flip mirror w/T-threads; tube rings/dovetail plate
ED103S Backfocus5.9" (150mm)
ED103S Backfocus with focal reducer4" (101.4mm)
GP-D2 R.A. Micro-Movement AxisWhole Circle Movement 144-Tooth Worm Gears
GP-D2 Declination Micro-Movement AxisWhole Circle Movement 144-Tooth Worm Gears
GP-D2 R.A. & Declination CirclesSupplied, R.A. Graduation is 10' increment, Declination Graduation is 2-degree increment
GP-D2 Optional Polar Axis ScopeFor Northern & Southern Hemispheres. 6 X 20mm 8-degree detachable, with illuminator, 3' polar alignment accuracy possible
GP-D2 Azimuth Fine AdjustmentAdjustment Knobs
GP-D2 Polar Axis Altitude Adjustment0-62 degree adjustment knobs
GP-D2 Bubble LevelSupplied
GP-D2 Maximum Load WeightApproximately 30 lbs
WarrantyVixen warranty
  
 
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