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EvoStar 120ED Apo Refractor

Save $691 Free Shipping
$2,490.00
$1,799.00
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Contiguous USA only
SKU S11130
Where to Buy
  • Doublet apochromatic optical design
  • Two-element, air-spaced optical assembly minimizes false color
  • 120mm aperture, 900mm focal length, f/7.5 focal ratio
  • 2-inch dual-speed Crayford-style focuser
  • Aluminum tube coated with glossy, black diamond metal-flake finish
  • Included accessories: two 1.25-inch eyepieces (5mm and 25mm), 2-inch Crayford-style focuser, tube rings, V-style dovetail, 8x50 right-angle finderscope, 2-inch dielectric diagonal, and foam-lined aluminum case
  • Description
  • Specifications

Sky-Watcher’s Evostar apochromatic doublet refractors are the perfect blend of superior extra-low dispersion glass and affordability. The Evostar refractor lens assembly utilizes a proprietary combination of matched lenses, delivering tack-sharp stars with charcoal-black, contrast-rich skies. All ED glass elements are fluorite-based and feature our proprietary Metallic High-Transmission Coatings™ (MHTC™), virtually eliminating all false color while internal baffle prevent stray light from affecting your photography. Like the optics, the tube is beautifully crafted using aluminum and finished with a black diamond metal-flake finish.

Using a doublet refractor instead of a triplet has some advantages: less glass means less weight, less weight means a less expensive telescope, so you can dedicate more money for your camera or laptop while benefiting from a lightweight astrophotography rig.

The Evostar 120ED comes in a foam-lined aluminum case fully loaded with accessories, including: 2-inch Crayford-style focuser, 2-inch dielectric diagonal, two 1.25-inch eyepieces (5mm and 25mm), an 8x50 right-angle finderscope, tube rings, and a V-style dovetail.

SKUS11130
UPC050234111300
Optical Info
Optical DesignED Doublet
Lens CoatingsFully Multi-Coated
Glass TypeBK7/FPL-53(ED)
True Aperture (mm)120.5
Primary Aperture (mm)120
F/Ratio7.5
Focal Length (mm)900
Observational Info
Dawes Limit0.97
Rayleigh Limit1.16
Limiting Mag.12.9
Minimum Magnification17
Maximum Magnification236
Light Gathering (compared to next size down)44%
General Info
Focuser2" Dual Speed Crayford
OTA Length (Retract/Ext.)36"
OTA Outer Diameter5.625"
OTA Weight (with accessories)13.9
Accessories
Included Finder8x50 RACI
Included Diagonal2" Dielectric
Mounting AccessoriesRings/V-Rail
Included Eyepieces25mm LET/5 Planetary
Magnification w/ Included Eyepieces45x/180x
Included CaseYes
CorrectorNo (optional)
Shipping Weights & Dimensions