Discover the universe in stunning detail with the Sky-Watcher Esprit 100ED APO refractor telescope. This high-quality optical instrument combines precision engineering with exceptional apochromatic performance to deliver breathtaking views of celestial wonders. Whether you're an amateur astronomer or a seasoned stargazer, the Esprit 100ED offers superior clarity and color correction, making it an ideal choice for astrophotography and visual observation. Explore the cosmos with confidence and capture the beauty of the night sky like never before with the Sky-Watcher Esprit 100ED APO refractor.

Triplet super-apochromatic design
Three-element, air-spaced optical assembly virtually eliminates false color
100mm aperture, 550mm focal length, f/5.5 focal ratio
3.4-inch dual-speed rack-and-pinion, Helinear track focuser
Rolled steel optical tube with white, glossy finish
Included accessories: field flattener, tube rings, D-style dovetail, 8x50 right-angle finderscope, M48 camera adapter, 2-inch dielectric diagonal, and padded hard case

Designed with the discerning astrophotographer in mind, Sky-Watcher’s top-of-the-line Esprit refractors deliver the kind of imaging performance one would expect from telescopes costing thousands of dollars more. With the Esprit’s three-element, air spaced objective lens design, false color is virtually eliminated, yielding exceptional contrast and sharpness. Each element is fully multi-coated with Sky-Watcher’s proprietary Metallic High-Transmission Coatings™ (MHTC)™, producing a transmission rate that rivals any refractor on the market.

In addition to superb optics, all Esprits feature exclusive dual-speed, Helinear track focusers, which provide smooth, rock-solid focusing with zero image shift. Using a captain’s wheel design all focusers can be rotated, giving astrophotographers flexibility when framing their image.

As is customary, Sky-Watcher supplies everything you need to get out under the stars, including a 2-element field corrector, which guarantees a flat field across the entire imaging plane. All Esprit refractors also come with an 8x50 right angle finderscope, 2-inch star diagonal, M48 camera adapter, mounting hardware, and padded case.

Specifications

Optical Info
Optical Design	ED Triplet Refractor
Lens Coatings	Fully Multi-Coated
Glass Type	BK7 (2)/FPL-53(ED)
Primary Aperture (mm)	100
F/Ratio	5.5
Focal Length (mm)	550
Observational Info
Dawes Limit	1.16
Rayleigh Limit	1.4
Limiting Mag.	12.5
Minimum Magnification	14
Maximum Magnification	197
Light Gathering (compared to next size down)	56%
General Info
Focuser	3.4" Dual Speed R&P
OTA Length (Retract/Ext.)	18.3"/24.5"
OTA Outer Diameter	5.75"
OTA Weight (with accessories)	16
Accessories
Included Finder	8x50 RACI
Included Diagonal	2" Dielectric
Mounting Accessories	Rings/D-Rail
Included Eyepieces	None
Included Case	Yes
Corrector	Yes

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Sky-Watcher Esprit 100ED APO refractor

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