Currently back-ordered, please contact us for estimated availability.
- 80 mm apochromatic 3-element refractor
- 400 mm (f/5)
- Fully multi-coated
- Thread-on field flattener included
- 2.7″ focuser w/micro focus
- 2″ Diagonal with dielectric coatings
- 8×50 RA erect-image finderscope
- Canon camera adapter included
- Tube rings with CG5 style dovetail bar
- Aluminum foam lined case
- 33mm image circle
- OTA Weight: 8.8lbs.
- OTA Length: 17.375″ (fixed dew shield)
- Back focus: 75mm
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 Design||ED Triplet Refractor|
|Lens Coatings||Fully Multi-Coated|
|Glass Type||BK7 (2)/FPL-53(ED)|
|Primary Aperture (mm)||80|
|Focal Length (mm)||400|
|Focuser||2.7" Dual Speed R&P|
|OTA Length (Retract/Ext.)||17.4"|
|OTA Outer Diameter||4.875"|
|OTA Weight (with accessories)||8.8|
|Included Finder||8x50 RACI|
|Included Diagonal||2" Dielectric|
|Mounting Accessories||V-Rail Foot|