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Sky-Watcher Skymax 127mm Maksutov-Cassegrain Telescope

The Sky-Watcher Skymax 127mm Maksutov-Cassegrain telescope is a high-performance, compound-style reflector telescope that is perfect for astronomers seeking precise planetary and…

Brand: Sky-WatcherModel: S11520Price reference: $610.00

Manual and instructions

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Sky-Watcher Skymax 127mm Maksutov-Cassegrain Telescope User Manual

Getting Started

Before using your Sky-Watcher Skymax 127mm Maksutov-Cassegrain telescope, please read this user manual thoroughly to ensure proper setup and use. This telescope is designed for both beginners and experienced astronomers, providing high-quality views of planets, lunar details, and deep sky objects.

Package Contents

  • 127mm Maksutov-Cassegrain Optical Tube Assembly (OTA)
  • 28mm 2-inch Eyepiece
  • 2-inch 90-degree Star Diagonal
  • 6x30 Straight-Through Finderscope
  • Vixen-Style Dovetail Plate

Assembly and Setup

  1. Attach the Vixen-style dovetail plate to your telescope mount.
  2. Slide the optical tube assembly onto the dovetail plate and secure it in place using the locking screws.
  3. Attach the finderscope to the OTA by sliding it into the finderscope bracket and tightening the bracket screws.
  4. Insert the 2-inch 90-degree star diagonal into the telescope's focuser and secure it by tightening the focuser's locking screws.
  5. Insert the 28mm 2-inch eyepiece into the star diagonal and secure it by tightening the star diagonal's locking screws.

Aligning the Finderscope

Before using your telescope, it is essential to align the finderscope with the main telescope. To do this, follow these steps:

  1. During daylight hours, point the main telescope at a distant object, such as a tree or building.
  2. Center the object in the main telescope's field of view using the focuser to achieve a sharp image.
  3. Look through the finderscope and adjust its alignment screws until the same object is centered in the finderscope's field of view.
  4. Check the alignment by switching between the main telescope and finderscope to ensure both are centered on the same object.

Observing Tips

  • Allow your telescope to acclimate to outdoor temperatures for at least one hour before observing.
  • Start with the 28mm eyepiece for a wider field of view and lower magnification, making it easier to locate objects.
  • Once an object is centered in the eyepiece, you can switch to higher magnification eyepieces for more detailed views.
  • Use averted vision (looking slightly to the side of an object) to see fainter details in deep sky objects.
  • Consider using a moon filter when observing the moon to reduce glare and increase contrast.

Troubleshooting Tips

If you encounter any issues with your Sky-Watcher Skymax 127mm Maksutov-Cassegrain telescope, consider the following troubleshooting tips:

  1. Ensure that the telescope is properly assembled and aligned as described in this user manual.
  2. If the image appears blurry or out of focus, adjust the telescope's focus knob until the image becomes sharp.
  3. If the finderscope is not aligned with the main telescope, follow the steps in the "Aligning the Finderscope" section.
  4. For issues with eyepieces or star diagonals, ensure they are securely inserted and tightened in place.
  5. If your telescope's optics become dirty or smudged, clean them gently with a soft, lint-free cloth and optical cleaning solution.

Frequently Asked Questions

Can this telescope be used for astrophotography?
Yes, the Sky-Watcher Skymax 127mm Maksutov-Cassegrain telescope can be used for astrophotography, particularly for planetary and lunar imaging. You will need a suitable camera adapter and T-ring for your specific camera model.
What is the maximum useful magnification for this telescope?
The maximum useful magnification for the Sky-Watcher Skymax 127mm Maksutov-Cassegrain telescope is 250x. However, atmospheric conditions may affect the achievable magnification on a given night.
Does this telescope come with a mount?
No, the telescope does not come with a mount. You will need to purchase a suitable mount separately. The included Vixen-style dovetail plate is compatible with most telescope mounts.
Can I use 1.25-inch eyepieces with this telescope?
Yes, you can use 1.25-inch eyepieces with this telescope by using a 2-inch to 1.25-inch adapter, which can be purchased separately.

Frequently asked questions

Q: What type of telescope is the Sky-Watcher Skymax 127mm Maksutov-Cassegrain?
A: The Sky-Watcher Skymax 127mm is a Maksutov-Cassegrain telescope.

Q: What is the aperture size of the Skymax 127mm?
A: The aperture size of the Skymax 127mm is 127mm.

Q: What is the focal length of the Skymax 127mm?
A: The focal length of the Skymax 127mm is 1540mm.

Q: What is the F/Ratio of the Skymax 127mm?
A: The F/Ratio of the Skymax 127mm is 12.1.

Q: What is included with the Skymax 127mm?
A: The Skymax 127mm comes with a 28mm LET eyepiece, a 2-inch star diagonal, and a straight-through finderscope.

Q: What type of mirror coatings does the Skymax 127mm use?
A: The Skymax 127mm uses an aluminum coating and a quartz overcoat on its borosilicate primary mirror, delivering a reflectivity rating of 94%.

Q: Does the Skymax 127mm come with a Vixen-style dovetail plate?
A: Yes, all Maksutov-Cassegrains come with an industry-standard Vixen-style dovetail plate for use with most telescope mounts.

Q: Is the tube fully baffled on the Skymax 127mm?
A: Yes, the tube on the Skymax 127mm is fully baffled to prevent stray light from interfering with viewing.

Q: Is this telescope suitable for deep sky imaging?
A: While it is possible to view deep sky objects with this telescope, larger apertures would be better suited for this purpose.

Q: Does this telescope come with a carrying case?
A: Yes, the Skymax 127mm comes with a carrying case.

Q: Is this telescope suitable for astrophotography?
A: A Maksutov telescope such as this is not the best choice for astrophotography unless your interest is in lunar photography. Please contact the support department for assistance in finding the best arrangement.

Q: What is the weight of the Skymax 127mm?
A: The weight of the Skymax 127mm is 12.22 pounds.

Q: Does this telescope come with instructions?
A: There is no mention of instructions being included with this telescope.

Specifications

Structured product details pulled from the latest available product data.

BrandSky-Watcher
ManufacturerSky-Watcher
Model NumberS11520
CategoryElectronics > Camera & Photo > Binoculars & Scopes > Telescopes > Reflectors
Weight12.22 pounds
Dimensions28 x 10 x 10 inches
First AvailableMay 21, 2015
Product Dimensions28 x 10 x 10 inches
Item Weight12.22 pounds
ASINB00Z4HVNEG
Item model numberS11520
Customer Reviews4.5 4.5 out of 5 stars 179 ratings 4.5 out of 5 stars
Best Sellers Rank#648 in Camera & Photo Products (See Top 100 in Camera & Photo Products) #12 in Telescope Reflectors
Is Discontinued By ManufacturerNo
Date First AvailableMay 21, 2015
Country of OriginChina
Model NameSky-Watcher Maksutov-Cassegrain 127mm
Optical Tube Length127 Millimeters
Eye Piece Lens DescriptionBarlow
Objective Lens Diameter127 Millimeters
Telescope Mount DescriptionFiber Optic
Product Dimensions28"D x 10"W x 10"H
Focus TypeAuto Focus
FinderscopeReflex

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