
Description
Details
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.
Optical Info | |
---|
|
Optical Design | ED Triplet Refractor |
Lens Coatings | Fully Multi-Coated |
Glass Type | BK7 (2)/FPL-53(ED) |
Primary Aperture (mm) | 100 |
F/Ratio | 5.5 |
Focal Length (mm) | 550 |
Observational Info | |
---|
|
Dawes Limit | 1.16 |
Rayleigh Limit | 1.4 |
Limiting Mag. | 12.5 |
Minimum Magnification | 14 |
Maximum Magnification | 197 |
Light Gathering (compared to next size down) | 56% |
General Info | |
---|
|
Focuser | 3.4" Dual Speed R&P |
OTA Length (Retract/Ext.) | 18.3"/24.5" |
OTA Outer Diameter | 5.75" |
OTA Weight (with accessories) | 16 |
Accessories | |
---|
|
Included Finder | 8x50 RACI |
Included Diagonal | 2" Dielectric |
Mounting Accessories | Rings/D-Rail |
Included Eyepieces | None |
Included Case | Yes |
Corrector | Yes |
Additional Information
Additional Information
Manufacturer | Sky-Watcher |
---|
Name | SkyWatcher Esprit ED100mm Triplet APO |
---|
MPN | SKSED100 |
---|
EAN | 8032539195133 |
---|
Warranty | 3 YEARS |
---|
-- TECHNICAL FEATURES -- | ⬇︎ |
---|
Optical Scheme | Apochromatic refractor |
---|
Diameter | 100 mm |
---|
Focal Length | 550 mm |
---|
Aperture | f/5.5 |
---|
Reviews
The website uses cookies and other tracking tools that collect information from the user's device. In addition to technical and aggregate analytical cookies, which are strictly necessary for the operation of this website, profiling and marketing cookies and social media cookies may be installed with the user's consent. Clicking on "I accept cookies" will activate all categories of cookies. By closing the banner or continuing to browse, only technical cookies will be installed. For more details, please see the Cookie Policy.