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Vixen SD115S Refractor Telescope

$3,078.99 Sold out

Olivia's profile picture

- Olivia 

The best for a beginner that know already some about stellar coordinates and all that so they know how to use the equatorial mount..| Verified Purchase"

Main Benefits:

  • Aperture & Focal Length: Aperture: 115mm SD (Super ED) apochromatic lens Focal Length: 890mm (f/7.7)
  • Mount type: Not included, requires separate purchase.
  • Optics: High-quality SD refractor: Minimizes chromatic aberration for sharp images. FPL53 super extra-low dispersion glass: Excellent color correction. Multi-coated optics: Improves light transmission and image quality.

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Features

  • High-quality SD refractor with 115 mm aperture
  • Bright, pure-color and extremely sharp image
  • Also suitable for full-frame cameras
  • Portable and lightweight, despite large aperture
  • Very high contrast thanks to SD glass
  • Ideal for observing the moon and planets

Description

A new apochromatic refractor with high-performance Super ED glass (=SD). The FPL53 glass reproduces an extremely clear and sharp image by eliminating residual chromatic aberration. Another advantage of these SD refractors is their short length and lightweight design.

The SD glass is designed to focus all beams of violet, red, blue, yellow and green light exactly onto the same level. The special lens material reduces chromatic aberration across all colors. Together with the new optional SD Reducer HD Kit or SD Flattener HD, these refractors provide illumination with a 44 mm image circle for full-frame SLR cameras.

The ED81SII, ED103S and ED115S refractors were originally designed for visual observers or photographers with an APS-C camera. However, the new SD series features new inner panels which are optimized for full-frame cameras. The large focuser allows you to attach heavy cameras without the telescope tilting. The telescope also comes with a folding mirror for making observations in unfavorable conditions, as well as a T2 thread for connecting a DSLR camera.

What's Included

  • ED 115 telescope/lens barrel
  • Carry handle
  • Folding mirror
  • 7x50 viewfinder
  • Tube clamps
  • Dovetail adapter

Specs

Optical design Apochomatic Refractor
Mirror/Lens diam. 115 mm
Focal length and Aperture ratio 890 mm f/7.7
Angular resolution 1.01 arc seconds
Light-gathering power 270x
Eyepiece Barrel Diameter 31.7 mm
Visual limiting magnitude 12.1 (approx., mag)
Viewfinder 7x50 viewfinder
Dimensions and weight 125 x 930 mm, 6.2 kg

Warranty

Vixen warranties its products to be free from initial defects in materials and workmanship for a specified period based on part type:

Vixen Electronic Parts: Limited One Year Warranty

Vixen Mechanical Parts: Limited Two Year Warranty

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Vixen SD115S Refractor Telescope

Additional Features

Bright, pure-color images: Ideal for viewing planets and galaxies.

Full-frame camera compatibility: Capture large images with optional accessories.

Portable and lightweight: Despite large aperture, easy to transport and set up.

High contrast: Delivers sharp and detailed views.

Vixen SD115S Refractor Telescope

Premium Optics for Stellar Views

Experience the cosmos in unparalleled clarity with the high-quality SD refractor featuring a generous 115 mm aperture.

Revel in bright, pure-color images with exceptional sharpness, ideal for both visual observation and astrophotography.

Vixen SD115S Refractor Telescope

Enhanced Performance for Full-frame Imaging

Capture stunning celestial vistas with ease using full-frame cameras, thanks to the SD series' compatibility and optimized inner panels.

Enjoy a portable and lightweight design, despite the large aperture, making it perfect for on-the-go stargazing adventures.


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If for any reason you are not completely satisfied with your purchase, within 30 days of placing your order, we will refund you for your purchase with no questions asked.

Aperture size is the diameter of the main lens or mirror in a telescope, and it is the most important factor in determining how much light the telescope can gather. More light means brighter and more detailed images. Generally, larger apertures are better, but they also tend to be more expensive and bulkier.

Magnification is important for making objects appear larger, but it does not create more detail. Aperture is more important for determining the overall quality of the image, including its brightness, resolution, and contrast. However, magnification can still be useful for getting a closer look at specific features of an object that you can already see with lower magnification.

All telescopes are affected by light pollution to some extent, but Dobsonians and reflectors are generally less affected than refractors. This is because refractors have more internal surfaces where light can bounce around and cause glare. If you live in an area with a lot of light pollution, you may want to consider a Dobsonian or reflector, or find a dark observing location.

The essential accessories for your telescope will depend on your specific needs and interests. However, some common recommendations include:
Extra eyepieces: This will allow you to change the magnification of your telescope to suit different observing conditions and objects.
A finder scope: This is a small, low-power telescope that helps you aim the main telescope at the correct area of the sky.
A collimation kit: This is used to adjust the alignment of the mirrors in a reflector telescope.
A star chart or planisphere: This will help you identify objects in the night sky.

Dobsonian telescopes are generally the easiest to set up, as they typically only require placing them on the ground and aligning the finder scope. Refractors and reflectors may require more assembly and alignment, but the process is not overly complicated. Many telescopes come with instructions and online resources can also be helpful.

You may need a few basic tools, such as a screwdriver or Allen wrench, to assemble some telescopes. However, you do not need any special knowledge to get started. There are many resources available to help you learn how to use your telescope, such as online tutorials, books, and astronomy clubs.

Here is a general guide to what you can expect to see under typical observing conditions with different telescope apertures:

50mm-70mm: You can see the phases of Venus, the moons of Jupiter, and some brighter deep sky objects like the Andromeda Galaxy and the Orion Nebula.
70mm-100mm: You can see more detail in the planets, including the rings of Saturn and the cloud bands on Jupiter. You can also see more faint deep sky objects.
100mm+: You can start to see more challenging deep sky objects, such as galaxies, nebulae, and star clusters. You can also see more detail in fainter objects like comets and asteroids.

We are often advised that you are able to see them through any small telescope, or even binoculars. But you really need a telescope with at least 40 times magnification to clearly see the detail of the rings as separate from the planet. And the bigger the telescope, the better.

For Galactic Observations: A reflecting telescope with a larger aperture (150mm-250mm) and a moderate focal length (750mm-1250mm) is ideal for capturing distant galaxies. Telescopes such as the Orion XT8 or the Celestron Advanced VX 8" offer excellent light-gathering capabilities and versatility.

Optical telescopes, for example, can see objects up to billions of light-years away, while radio telescopes can detect signals from even further distances. However, when it comes to observing the universe's earliest moments, telescopes can only see so far.

In general, a top-quality 4-inch refractor shows deep-sky objects about as well as a 5-inch reflector or catadioptric, and might even do a bit better on the planets. Most telescopes with apertures of 80 mm or less are refractors.

Refractor Telescopes: Refractors use lenses to gather and focus light, offering crisp and clear images. They are excellent for planetary observation due to their ability to provide high contrast and detailed views.

Some of the most newly detected objects may be over 13 billion light years away, as derived from a standard model of the Universe. However, a powerful new generation of telescopes, like the James Webb Space Telescope, will be needed to confirm the suspected distances of these objects.

The most important aspect of any telescope is its aperture, the diameter of its main optical component, which can be either a lens or a mirror. A scope's aperture determines both its light-gathering ability (how bright the image appears) and its resolving power (how sharp the image appears).

The telescope you want has two essentials: high-quality optics and a steady, smoothly working mount. And all other things being equal, big scopes show more and are easier to use than small ones, as we'll see below. But don't overlook portability and convenience — the best scope for you is the one you'll actually use.

With just a small or medium-sized telescope, skygazers can easily observe planets. You'll be surprised how much of our solar system you can see! And you don't need a dark sky to view all of our solar system's planets; even under city lights, Venus, Mars, Jupiter and Saturn can be easy to see with a telescope.

In summary: Refractors generally have the edge over reflectors for a quality image, both from the standpoint of lens/mirror quality and precision optical mountings, and lack of central obscurations.


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