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SkyWatcher APO Esprit 100 with Flattener

Regular Price: US$ 2,498.02

US$ 2,319.52 Special Price

Not in Stock: will Be Backordered

Short Description

Esprit 100ED APO Triplet Apochromatic Refractor optical tube with 100mm diameter, 550mm focal length, f/5.5 and equipped with field flattener, rigid case and accessories.


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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)100
Focal Length (mm)550
Observational Info
Dawes Limit1.16
Rayleigh Limit1.4
Limiting Mag.12.5
Minimum Magnification14
Maximum Magnification197
Light Gathering (compared to next size down)56%
General Info
Focuser3.4" Dual Speed R&P
OTA Length (Retract/Ext.)18.3"/24.5"
OTA Outer Diameter5.75"
OTA Weight (with accessories)16
Included Finder8x50 RACI
Included Diagonal2" Dielectric 
Mounting AccessoriesRings/D-Rail
Included EyepiecesNone
Included CaseYes

Additional Information

Additional Information

NameSkyWatcher APO Esprit 100 with Flattener
Warranty3 YEARS
Optical SchemeApochromatic refractor
Diameter100 mm
Focal Length550 mm


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