Catadioptric Telescope

Catadioptric telescopes such as Schmidt-Cassegrain or Maksutov-Cassegrain, use lenses and mirrors to gather and focus the visible light from the object. Catadioptric telescopes combine lenses and mirrors of specific shape to form an image. They allow fewer aberrations than refractor or reflector telescope which use only one or the other. By using both lenses and mirrors, the operator can focus in on more distant objects along with those that reflect less light. Professional stargazers as well as scientists prefer this type of telescope.

When both the salient features of the refractor and reflector telescopes are consolidated into one, you will most probably be left with a Catadioptric telescope. For the desired image to be magnified and viewed, both the mirrors and lenses direct and reflect the light towards a bigger mirror, thus, offering an overall better view. Although these sleek devices are small and easy to maneuver, they come with a heavy price. The Schmidt variety and the Maksutov are two very coveted variations of the Catadioptric telescopes. These scopes are the most versatile telescopes and have the best all around, all purpose design. The Schmidt-Cassegrain and Maksutov-Cassegrain telescopes are very light and portable. They have a large aperture in a very small tube. Away from city, with reasonably dark skies, an 8″ SC provides excellent views of the Moon, planets, comets, galaxies, nebulae and other faint deep-sky objects and can be used for astrophotography with good results. With a hefty tripod and mount, the larger models (10″ & 12″) can be a bit cumbersome for one person. There are more accessories available for these scopes than the other two. These telescopes are very popular with beginners as well as armature. Fully computerized “GO TO” telescopes with auto finding capability are also available, if you want to pay the price.


There are several advantages associated with this type of optical telescope:

  • Most versatile type of telescope.
  • Has a better near-focus capability than other types of telescopes.
  • Excellent for deep sky observing or astrophotography with fast films or charged-coupled devices (CCDs) used in detecting images.
  • Great for lunar, planetary, and binary star observing plus terrestrial viewing and photography.
  • Closed tube design reduces the need for cleaning as the dust can’t penetrate as easily.
  • Compact and durable.


There are several disadvantages associated with catadioptric telescopes:

  • Much more expensive than reflectors or refractors.
  • Not as appealing to the eye as its counterparts.
  • Some slight light loss due to secondary mirror obstruction when compared to refractors.

Despite the disadvantages, the catadioptric telescope is by far the best one of the three main types to use. The multiple lenses and mirrors cut out aberrations and allow users to see more than they would with the refractor or reflector telescopes.

  1. Will Coccoli December 5, 2014 at 9:47 am

    Perfect just what I was looking for! .

  2. Online Articles December 16, 2014 at 4:11 pm

    Just what I was looking for, regards for putting up.

  3. Basil Ronde December 23, 2014 at 2:23 pm

    My spouse and I stumbled over here by a different web address and thought I might check things out. I like what I see so i am just following you. Look forward to looking at your web page repeatedly.

  4. Sklep z alkomatami January 17, 2015 at 11:46 am

    Appreciate the recommendation. Will try it out.

  5. January 25, 2015 at 3:13 am

    Thanks for the article. Fantastic.

  6. Myron January 31, 2015 at 6:42 pm

    Howdy! Someone in my Myspace group shared this website with us so I came to give it a look.
    I’m definitely enjoying the information.
    I’m bookmarking and will be tweeting this to my followers!
    Fantastic blog and superb style and design.

  7. restaurant agadir February 1, 2015 at 7:01 am

    I do consider all of the ideas you have offered on your post.
    They are very convincing and can certainly work. Nonetheless,
    the posts are too short for starters. May you please prolong them a little from next time?

    Thanks for the post.

  8. Corrina Wassum February 26, 2015 at 5:21 pm

    I dugg some of you post as I cerebrated they were very useful very useful

  9. matt daemon March 6, 2015 at 9:41 pm

    k8G0EK I appreciate, lead to I discovered exactly what I was looking for. You’ve ended my four day long hunt! God Bless you man. Have a nice day. Bye

  10. crork mattew March 7, 2015 at 12:23 am

    vdb2p0 Thanks for another magnificent article. Where else could anybody get that kind of information in such an ideal way of writing? I’ve a presentation next week, and I’m on the look for such information.

  11. March 9, 2015 at 1:47 pm

    Thanks-a-mundo for the blog.Much thanks again. Great.

  12. March 9, 2015 at 5:18 pm

    I really liked your blog post.Really looking forward to read more. Great.

  13. hybrid kitchen May 4, 2020 at 5:17 am

    Good replies in return of this difficulty with firm arguments and describing the whole thing about that.