Esprit 150mm ED Triplet APO Refractor - SKU# S11430

by Sky-Watcher
$6,700.00

Designed wtih 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 9 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.

Specifications

SKU S11430
UPC 050234114301
Optical Info
Optical Design ED Triplet Refractor
Lens Coatings Fully Multi-Coated
Glass Type BK7 (2)/FPL-53(ED)
Primary Aperture (mm) 150
F/Ratio 7
Focal Length (mm) 1040
Observational Info
Dawes Limit 0.77
Rayleigh Limit 0.93
Limiting Mag. 13.4
Minimum Magnification 21
Maximum Magnification 295
Light Gathering (compared to next size down) 56%
General Info
Focuser 3.4" Dual Speed R&P
OTA Length (Retract/Ext.) 36.9"/40.5"
OTA Outer Diameter 7.9"
OTA Weight (with accessories) 32
Accessories
Included Finder 8x50 RACI
Included Diagonal 2" Dielectric
Mounting Accessories Rings/D-Rail
Included Eyepieces None
Included Case Yes
Corrector Yes

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