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Apochromatic

SkyWatcher APO Esprit 80 with Flattener

US$ 1,622.52

Not in Stock: will Be Backordered

Short Description

Esprit 80ED APO Triplet Apochromatic Refractor optical tube with 80mm diameter, 400mm focal length, f/5 and equipped with field flattener, rigid case and accessories.

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Description

Details

Designed with the discerning astrophotographer in mind, Sky-Watcher USA’s top-of-the-line Esprit refractors deliver the kind of imaging performance one would expect from telescopes costing thousands of dollars more. With their three-element air spaced objective lens design, false color is completely eliminated, yielding exceptional contrast and sharpness. The included 2-element field corrector guarantees a flat field across the entire imaging plane. The Sky-Watcher exclusive Helinear Track focusing system provides a smooth, rock-solid focuser with zero image shift. All Sky-Watcher USA Esprit refractors come with a 8 x 50 right angle finderscope, 2-inch Star diagonal, 2-element field flattener*, camera adapter, D-style dovetail and padded case. Everything you need to get out under the stars.

Optical Info
Optical DesignED Triplet Refractor
Lens CoatingsFully Multi-Coated
Glass TypeBK7 (2)/FPL-53(ED)
Primary Aperture (mm)80
F/Ratio5
Focal Length (mm)400
Observational Info
Dawes Limit1.45
Rayleigh Limit1.75
Limiting Mag.12
Minimum Magnification11
Maximum Magnification157
General Info
Focuser2.7" Dual Speed R&P
OTA Length (Retract/Ext.)17.4"
OTA Outer Diameter4.875"
OTA Weight (with accessories)8.8
Accessories
Included Finder8x50 RACI
Included Diagonal2" Dielectric 
Mounting AccessoriesV-Rail Foot
Included EyepiecesNone
Included CaseYes
CorrectorYes

Additional Information

Additional Information

ManufacturerSky-Watcher
NameSkyWatcher APO Esprit 80 with Flattener
MPNSKSED80
EAN8032539195126
Warranty3 YEARS
-- TECHNICAL FEATURES --⬇︎
Optical SchemeApochromatic refractor
Diameter80 mm
Focal Length400 mm
Aperturef/5

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