Skywatcher

Skywatcher Esprit 100ED APO Triplet

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$4,469.00
Your Price: $3,510.00
SKU:
S11410
UPC:
50234114103
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Product Overview

Skywatcher Esprit 80ED, 100ED, 120ED and 150ED Super APO refractors have a doublet field flattener to get a flat field and minimize aberration and distortion. Their wide 48mm opener ensures a larger and clearer aperture and also extremely minimized halation. Connect the triplet and doublet field flattener with a high precision thin thread to keep the optical axis perpendicular to the image.

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.


Main Features:
- Premium optical materials
- Short focal length and full frame corrected focal plane
- Excellent field flatness
- Precision linear power focuser is standard
- Metallic high-transmission lens coatings
- Light-baffled optical systems
- Telescope tube attachment hardware
- Zero detectable Colour Fringing even on Bright Objects
- Knife-edge Baffled Optical System

Specifications

Optical Design

ED Triplet

Primary Aperture (mm)

100mm (4")

Focal Ratio

5.5

Focal Length (mm)

550mm

Glass Type

Schott/Ohara ED

Lens Coatings

Fully Multi-Coated

OTA Length

Dew Shield Retracted: 18.3? Dew Shield Extended: 24.5?

OTA Outer Diameter

5.75?

OTA Weight (with accessories)

16 lbs.

Focuser

3.4" Dual Speed R&P

Included Eyepieces

None

Included Diagonal

2" Dielectric

Included Finder

8×50 Right Angle Correct Image

Includes Case

Yes

Mounting Accessories

Rings/D-Rail

Corrector

Yes, included field flattener.

Image Circle (w/ Flattener)

40mm

Other Included Items

Canon 48mm camera adapter with spacers

Dawes Limit

1.16

Rayleigh Limit

1.4

Limiting Magnitude

12.5

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