SkyWatcher Esprit 100 ED APO Refractor (S11410)
$3,210.00
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SkyWatcher Esprit 100 ED APO Refractor (S11410)
$3,210.00
100mm Aperture
3.9 inch light gathering power
Triplet APO Design
FPL-53 glass eliminates color fringing
Fast f/5.5 Speed
Short focal ratio for astrophotography
3.4-Inch Focuser
Dual speed zero image shift
Field Corrector
Flat field across entire sensor
Complete Package
Includes case diagonal and finder
Stellar Imaging PerformanceProfessional optical tube assembly for deep sky capture
The Sky-Watcher Esprit 100mm ED Triplet APO Refractor Telescope is engineered specifically for discerning astrophotographers who demand uncompromising optical clarity. Featuring a premium three-element air-spaced objective design with FPL-53 ED glass, this high-performance astrophotography refractor telescope delivers pinpoint star images across the entire field of view.
Precision Astrophotography OpticsFlawless color correction and ultra-smooth focusing
Unleash the full potential of your camera sensor with the Sky-Watcher Esprit 100mm ED Triplet APO Refractor Telescope. Equipped with a heavy-duty 3.4-inch dual-speed Helinear Track focusing system, this triplet refractor completely eliminates image shift and drawtube flexure under high imaging payloads. The included two-element field corrector ensures edge-to-edge flatness for full-frame cameras, while fully multi-coated apochromatic lenses produce extraordinary contrast with zero false color. Complete with an 8x50 RACI finderscope, 2-inch dielectric diagonal, mounting hardware, and an aluminum padded case, the Sky-Watcher Esprit 100mm refractor offers an all-inclusive setup for deep-space astrophotography and high-magnification visual astronomy.
Technical SpecificationsDetailed specifications for optical tube assembly
Optical Design
ED Triplet Refractor
Primary Aperture
100mm (3.93 in) (lens)
Focal Length
550mm
Focal Ratio
f/5.5
Glass Type
BK7 / FPL-53 ED
Lens Coatings
Fully Multi-Coated
Focuser
3.4" Dual-Speed Helinear Track R&P
OTA Length
18.3" Retracted / 24.5" Extended
OTA Outer Diameter
5.75"
OTA Weight
16 lbs with accessories
Dawes Limit
1.16 arcsec
Rayleigh Limit
1.4 arcsec
Limiting Magnitude
12.5
Magnification Range
14x to 197x
Included Accessories
8x50 RACI Finder, 2" Dielectric Diagonal, Field Corrector, Case
Advanced Refractor TechnologyEngineered for maximum optical contrast and precision
Apochromatic OpticsFPL-53 ED glass eliminates false color and chromatic aberration
Precision Focuser3.4-inch dual-speed Helinear Track system provides zero image shift
Field Flattener Included2-element corrector guarantees a completely flat focal plane
High Light TransmissionFully multi-coated optical elements produce bright images
Visual ReadyComes with a 2-inch dielectric star diagonal for premium eyepiece viewing
Protection & TravelHeavy-duty aluminum padded case protects the optical tube assembly
Frequently Asked QuestionsEverything you need to know
What camera adapter do I need for the Sky-Watcher Esprit 100mm ED Triplet APO Refractor Telescope?
The Sky-Watcher Esprit 100mm ED Triplet APO Refractor Telescope includes a dedicated camera adapter and field flattener; you only need a standard M48 T-ring for your DSLR or dedicated astronomical camera brand.
Is the Sky-Watcher Esprit 100mm ED Triplet APO Refractor Telescope suitable for visual observing?
Yes, while designed primarily for astrophotography, the Sky-Watcher Esprit 100mm ED Triplet APO Refractor Telescope delivers stunning, ultra-sharp visual views of planets and deep-sky objects using the included 2-inch dielectric star diagonal.
What mount payload capacity is recommended for the Sky-Watcher Esprit 100mm ED Triplet APO Refractor Telescope?
With an overall accessory-loaded weight of 16 lbs, the Sky-Watcher Esprit 100mm ED Triplet APO Refractor Telescope performs best on a equatorial mount with a minimum payload capacity of 30 lbs for stable long-exposure imaging.
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