SkyWatcher Esprit 150 ED APO Refractor (S11430)
$8,250.00
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SkyWatcher Esprit 150 ED APO Refractor (S11430)
$8,250.00
150mm Aperture
Massive Light Gathering Power
ED Triplet APO
Zero False Color Performance
Field Corrector
Included Flat Field Lens
Helinear Focuser
Rock Solid Zero Shift
Complete Kit
Case Finder Diagonal Included
F/7 Focal Ratio
Ideal Astrophotography Focal Length
Cosmic Clarity DefinedUncompromising Imaging Performance for Astrophotographers
The Sky-Watcher Esprit 150mm ED Triplet APO Refractor Telescope delivers premium optical performance designed for demanding astrophotographers. Featuring a three-element air-spaced objective design with FPL-53 ED glass, this flagship telescope completely eliminates chromatic aberration for exceptional contrast and razor-sharp images. Coupled with an included two-element field flattener, it offers a perfectly flat imaging plane across the entire frame.
Precision Engineered OpticsMaster Deep Sky Imaging with Flagship Technology
Engineered for high-resolution astrophotography, the Sky-Watcher Esprit 150mm ED Triplet APO Refractor Telescope combines advanced glass formulations with precision mechanical construction. Its fully multi-coated BK7 and FPL-53 ED glass design provides incredible optical clarity right out of the box. Focusing is smooth and effortless thanks to the state-of-the-art 3.4-inch dual-speed Helinear Track rack-and-pinion focuser, ensuring heavy imaging setups remain rock-solid with zero image shift. Complete with an 8x50 RACI finderscope, 2-inch dielectric star diagonal, D-style dovetail mounting hardware, and a durable padded case, this refractor telescope provides everything needed to capture deep-sky celestial targets with expert authority.
Technical SpecificationsDetailed Breakdown of System Features
Optical Design
ED Triplet Refractor
Primary Aperture
150mm
Focal Length
1040mm
Focal Ratio
f/7
Glass Type
BK7 (2) / FPL-53 ED (sparkles)
Lens Coatings
Fully Multi-Coated
Focuser
3.4" Dual Speed Helinear Track R&P
Dawes Limit
0.77 arcseconds
Rayleigh Limit
0.93 arcseconds
Limiting Magnitude
13.4
Magnification Range
21x to 295x
Light Gathering Power
56% increase over 120mm
OTA Outer Diameter
7.9"
OTA Length (Retracted/Extended)
36.9" / 40.5"
OTA Weight (with accessories)
32 lbs
Mounting Accessories
Tube Rings / D-Rail
Included Finder
8x50 RACI
Included Diagonal
2" Dielectric
Included Case
Padded Hard Case
Included Corrector
2-Element Field Flattener
Flagship FeaturesBuilt for Astrophotography Excellence
Optical ExcellenceThree-element air-spaced ED objective with zero false color
Flat Field CorrectorIncluded 2-element flattener for edge-to-edge frame sharpness
Helinear Track FocuserHeavy-duty 3.4-inch dual-speed rack-and-pinion mechanism with zero image shift
Premium GlassFeatures FPL-53 ED optical glass element for maximum image contrast
Complete Accessory PackageComes with 8x50 RACI finder, 2-inch dielectric diagonal, and padded case
Heavy-Duty MountingIncludes mounting rings and D-style dovetail bar for secure mount attachment
Frequently Asked QuestionsEverything you need to know
What type of optical design does the Sky-Watcher Esprit 150mm ED Triplet APO Refractor Telescope use?
The Sky-Watcher Esprit 150mm ED Triplet APO Refractor Telescope utilizes a three-element air-spaced objective design featuring FPL-53 ED glass, paired with an included two-element field corrector to deliver zero false color and a flat imaging plane.
Is a mount included with the Sky-Watcher Esprit 150mm ED Triplet APO Refractor Telescope?
No, the telescope includes mounting rings and a D-style dovetail rail, but requires a heavy-duty equatorial mount capable of supporting its 32 lb optical tube assembly plus camera gear.
What accessories come standard with the Sky-Watcher Esprit 150mm ED Triplet APO Refractor Telescope?
It comes as a complete package including an 8x50 RACI finderscope, a 2-inch dielectric star diagonal, a 2-element field flattener corrector, camera adapter, D-style mounting rail, tube rings, and a hard padded carrying case.
What focuser is installed on the Sky-Watcher Esprit 150mm ED Triplet APO Refractor Telescope?
It features a high-capacity 3.4-inch dual-speed Helinear Track rack-and-pinion focuser designed to eliminate flexure and image shift when supporting heavy astroimaging cameras.
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