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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
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SKU:SW-ESP100-APO

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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
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