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Sky-Watcher
Sky-Watcher Esprit 100mm ED Triplet APO Refractor
Sky-Watcher Esprit 100mm ED Triplet APO Refractor
Regular price
$3,210.00 USD
Regular price
Sale price
$3,210.00 USD
SKU:SW-ESP100-APO
In stock
Quantity
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PRODUCT DESCRIPTION
Sky-Watcher Esprit 100mm ED Triplet APO Refractor is a high-performance imaging telescope designed specifically for astrophotographers seeking precision, clarity, and complete control over their imaging system. This three-element APO refractor delivers a flat, color-free field with professional imaging capabilities right out of the box.
- Designed for imaging enthusiasts who want superior color correction and edge-to-edge field flatness
- 100 mm aperture with f/5.5 focal ratio offers fast wide-field imaging for capturing nebulae and galaxies
- Included two-element field flattener produces a 40 mm image circle for large sensors
- Multi-coated, air-spaced ED triplet optics eliminate chromatic aberration and improve contrast
- Helinear track focuser provides precise, stable, backlash-free focusing during long exposures
- Extended dew shield helps prevent moisture and improves contrast by blocking stray light
- Ample 69 mm back focus accommodates a wide range of accessories and cameras
- Includes adapters for 2-inch and 1.25-inch accessories and a Canon camera adapter
- Supplied with tube rings, D-series dovetail, and custom aluminum case for protection and portability
This refractor is ideal for users with DSLR or CCD camera setups who require true astrograph-level performance. Its robust mechanical construction, imaging clarity, and accessory compatibility make it a serious tool for deep-sky astrophotography from home or the field.
TECHNICAL SPECIFICATIONS
Feature | Specification |
---|---|
Aperture | 100 mm (4") |
Focal Length | 550 mm |
Focal Ratio | f/5.5 |
Highest Useful Magnification | 236x |
Limiting Stellar Magnitude | 12.5 |
Optical Design | Triplet Refractor |
Dew Shield Included | Yes |
Exterior Color | Gloss White |
OTA Length | 24.5" Extended / 17.3" Retracted |
OTA Weight | 16.3 lbs |
Warranty | 2-Year Warranty |
WHAT’S IN THE BOX?
- Sky-Watcher 100 mm f/5.5 ED Triplet APO Refractor
- 9x50 RA Erect-Image Finderscope and Bracket
- Thread-on Field Flattener
- 2.7-inch Rack and Pinion Microfocuser
- 2.7-inch to 2-inch Thread-on Adapter
- 2-inch to 1.25-inch Adapter
- 2-inch Diagonal
- Canon Camera Adapter
- Tube Rings with D-Series Dovetail Bar
- Aluminum Carrying Case







