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Sky-Watcher Esprit ED APO 120mm f/7 Refractor Telescope S11420

Price: $3199.00

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.

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DESCRIPTION

Main information about Sky-Watcher Esprit ED APO 120mm f/7 Refractor Telescope S11420

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.

Features:

  • 120 mm apochromatic 3-element refractor
  • 840 mm (f/7)
  • Fully multi-coated
  • Thread-on field flattener
  • 3.0" focuser w/micro focus
  • 2" Diagonal with dielectric coatings
  • 9x50 RA erect-image finderscope
  • Canon camera adapter
  • Tube rings with CGE style dovetail bar
  • Aluminum foam lined case
  • 43mm image circle
  • OTA Weight: 22lbs.
  • OTA Length: 31.5" Extended and 27.375" Retracted
  • Back focus: 75mm

Specifications:

Optical Design

Refractor

Field Flattener

Included, thread-on

Aperture (mm)

120 mm (4.72 in)

Focal Length

840 mm (33 in)

Focal Ratio

7

Finderscope

9x50, erect-image, right-angle

Diagonal

2", dielectric coatings

Tube Rings

With 3" (CGE Style) dovetail plate

Highest Useful Magnification

283 x

Lowest Useful Magnification

17 x

Limiting Stellar Magnitude

12.9

Resolution (Rayleigh)

1.16 arc seconds

Resolution (Dawes)

0.97 arc seconds

Light Gathering Power (Compared to human eye)

294 x

Optical Coatings

Fully multi-coated

Fully Illuminated Field

43 mm (1.69 in)

Optical Tube Length

30 in (762 mm)

Optical Tube Weight

23 lbs (10 kg)

Includes:

  • Canon 48mm T-Ring Photo Adapter
  • Tube Rings with CGE-Style Dovetail Bar
  • Aluminum Foam-Lined Carrying Case
  • Limited 2-Year Warranty

 

SKY-WATCHER USA TWO YEAR LIMITED WARRANTY

A. Sky-Watcher USA warrants your telescope to be free from defects in materials and workmanship for two years. Sky-Watcher USA will repair or replace such product or part thereof which, upon inspection by Sky-Watcher USA, is found to be defective in materials or workmanship. As a condition to the obligation of Sky-Watcher USA to repair or replace such product, the product must be returned to Sky-Watcher USA together with proof-of-purchase satisfactory to Sky-Watcher USA.

B. The Proper Return Authorization Number must be obtained from Sky-Watcher USA in advance of return. Call Sky-Watcher USA at (310) 803-5953 to receive the number to be displayed on the outside of your shipping container.

All returns must be accompanied by a written statement setting forth the name, address, and daytime telephone number of the owner, together with a brief description of any claimed defects. Parts or product for which replacement is made shall become the property of Sky-Watcher USA. The customer shall be responsible for all costs of transportation and insurance, both to and from the factory of Sky-Watcher USA, and shall be required to prepay such costs.

Sky-Watcher USA shall use reasonable efforts to repair or replace any telescope covered by this warranty within thirty days of receipt. In the event repair or replacement shall require more than thirty days, Sky-Watcher USA shall notify the customer accordingly. Sky-Watcher USA reserves the right to replace any product which has been discontinued from its product line with a new product of comparable value and function. This warranty shall be void and of no force of effect in the event a covered product has been modified in design or function, or subjected to abuse, misuse, mishandling or unauthorized repair. Further, product malfunction or deterioration due to normal wear is not covered by this warranty.

SKY-WATCHER USA DISCLAIMS ANY WARRANTIES, EXPRESS OR IMPLIED, WHETHER OF MERCHANTABILITY OF FITNESS FOR A PARTICULAR USE, EXCEPT AS EXPRESSLY SET FORTH HEREIN. THE SOLE OBLIGATION OF SKY-WATCHER USA UNDER THIS LIMITED WARRANTY SHALL BE TO REPAIR OR REPLACE THE COVERED PRODUCT, IN ACCORDANCE WITH THE TERMS SET FORTH HEREIN. SKY-WATCHER USA EXPRESSLY DISCLAIMS ANY LOST PROFITS, GENERAL, SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES WHICH MAY RESULT FROM BREACH OF ANY WARRANTY, OR ARISING OUT OF THE USE OR INABILITY TO USE ANY SKY-WATCHER USA PRODUCT. ANY WARRANTIES WHICH ARE IMPLIED AND WHICH CANNOT BE DISCLAIMED SHALL BE LIMITED IN DURATION TO A TERM OF TWO YEARS FROM THE DATE OF ORIGINAL RETAIL PURCHASE.

Some states do not allow the exclusion or limitation of incidental or consequential damages or limitation on how long an implied warranty lasts, so the above limitations and exclusions may not apply to you.

This warranty gives you specific legal rights, and you may also have other rights which vary from state to state. Sky-Watcher USA reserves the right to modify or discontinue, without prior notice to you, any model or style telescop

If warranty problems arise, or if you need assistance in using your telescope contact:

Sky-Watcher USA

Customer Service Department

475 Alaska Avenue

Torrance, CA 90503

Tel. (310) 803-5953

Toll-free (855) 327-1587

Monday-Friday 8AM-4:30PM CST

NOTE: This warranty is valid to U.S.A. customers who have purchased this product from an authorized Sky-Watcher USA dealer in the U.S.A.

Product's SKU: S11420

Product's UPC: 50234114202

Sky-Watcher Esprit ED APO 120mm f/7 Refractor Telescope S11420

Manufacturer details

David Shen, the founder of Sky-Watcher, started pursuing his interest in optics design and star observing when he was 26, working as a polishing technician at a research institute in Taiwan. It was a lovely summer night after work that the bright stars urged David to observe them with a telescope. After placing the telescope on top of the hood of his car, the view of the magnificent rings from the Saturn planet greatly moved David. That night was deeply engraved in David's memory since and constantly inspires him to live his dream: "Building High-quality and Affordable Telescopes for Everyone".

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Product reviews - Sky-Watcher Esprit ED APO 120mm f/7 Refractor Telescope S11420