Sky-Watcher EvoStar 120ED APO Refractor
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- 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
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 # S11130 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.
Specifications:
Optical Info:
- Optical Design: ED Doublet
- Lens Coatings: Fully Multi-Coated
- Glass Type: BK7/FPL-53(ED)
- True Aperture (mm): 120.5
- Primary Aperture (mm): 120
- F/Ratio: 7.5
- Focal Length (mm): 900
- Dew shield OD: 143mm
Observational Info:
- Dawes Limit: 0.97
- Rayleigh Limit: 1.16
- Limiting Mag.: 12.9
- Minimum Magnification: 17
- Maximum Magnification: 236
- Light Gathering (compared to next size down): 44%
General Info:
- Focuser: 2" Dual Speed Crayford
- OTA Length (Retract/Ext.): 36"
- OTA Outer Diameter: 5.625"
- OTA Weight (with accessories): 13.9
Accessories:
- Included Finder: 8x50 RACI
- Included Diagonal: 2" Dielectric
- Mounting Accessories: Rings/V-Rail
- Included Eyepieces: 25mm LET/5 Planetary
- Magnification w/ Included Eyepieces: 45x/180x
- Included Case: Yes
- Corrector: No (optional)
| Manufacturer | Sky Watcher |
|---|---|
| Product Banner Type | closeout |
| Free Shipping Graphic | Free Contiguous US Shipping |
| Telescope Focal Length | 801 - 900mm |
| Hide Found a better Shipped Price on Frontend? | No |
- 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
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 # S11130 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.
Specifications:
Optical Info:
- Optical Design: ED Doublet
- Lens Coatings: Fully Multi-Coated
- Glass Type: BK7/FPL-53(ED)
- True Aperture (mm): 120.5
- Primary Aperture (mm): 120
- F/Ratio: 7.5
- Focal Length (mm): 900
- Dew shield OD: 143mm
Observational Info:
- Dawes Limit: 0.97
- Rayleigh Limit: 1.16
- Limiting Mag.: 12.9
- Minimum Magnification: 17
- Maximum Magnification: 236
- Light Gathering (compared to next size down): 44%
General Info:
- Focuser: 2" Dual Speed Crayford
- OTA Length (Retract/Ext.): 36"
- OTA Outer Diameter: 5.625"
- OTA Weight (with accessories): 13.9
Accessories:
- Included Finder: 8x50 RACI
- Included Diagonal: 2" Dielectric
- Mounting Accessories: Rings/V-Rail
- Included Eyepieces: 25mm LET/5 Planetary
- Magnification w/ Included Eyepieces: 45x/180x
- Included Case: Yes
- Corrector: No (optional)
| Manufacturer | Sky Watcher |
|---|---|
| Product Banner Type | closeout |
| Free Shipping Graphic | Free Contiguous US Shipping |
| Telescope Focal Length | 801 - 900mm |
| Hide Found a better Shipped Price on Frontend? | No |
Sky-Watcher EvoStar 120ED APO Refractor # S11130