Manufacturer: Starizona
Product number: HS4-C11

EUR 1.999,00RRP EUR 2.199,00you save 9.1% (EUR 200,00)


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Starizona Hyperstar Adapter for Astrophotography with Celestron SC and EHD Telescopes
With the Hyperstar you turn your Schmidt-Cassegrain or EdgeHD telescope from Celestron into a fast astrograph. Thus astrophotography becomes an experience and has never been easier. Thanks to the Hyperstar, you need only 30 seconds to achieve a result compareable to more than 12 minutes without Hyperstar. With this, you increase the efficiency of your camera and your telescope many times over. In just one night you reach an exposure depth for which you would have needed many nights in the past. Blurring due to seeing or guiding errors also are a thing of the past. The image becomes sharper in general with less effort.

How is the Hyperstar mounted to your Schmidt-Cassegrain:
Unscrew the secondary mirror carefully out of its holder. Avoid that the Schmidt plate or the holder in it is turned out of position. Then just screw the Hyperstar into the thread and you are already ready with retrofitting.

The manufacturer offers various information about the HyperStar on its Tutorial Pages, including:
compatible equipment
current specs (though the pdf links are dead)
detailed installation guide
Example instructions for telescopes without polar wedge
Example instructions for telescopes with polar wedge



The advantages of the Hyperstar Version 4
Even higher speed of f/1.9
Even smaller, sharp stars
Easier adjustment
Larger illuminated and corrected field of view of 35 mm


FAQs concerning Hyperstar:
Question: how is focusing done when photographing with the Hyperstar optics?

Answer: with the main mirror, as before.
Question: can HyperStar be used for visual observation?

Answer: no, as the observer´s head would be placed BEFORE the Schmidt plate. The obstruction would be gigantic.
Question: how disturbing would be mirror shifting when focusing?

Answer: due to removing the secondary mirror, the 5x magnification of the f/10 Cassegrain system also does not apply. This means that mirror shifting is reduced to one fifth, too. For this reason mirror shifting is not a problem anymore.
Question: how good is the image quality?

Answer: the quality is compareable with the one of an astrophotographic RC system, the resolution is sufficent even for semi-professional cameras like the ST-10 from SBIG. The stars are significantly smaller than with f/10.
Question: isn´t the obstruction of the camera disturbing?

Answer: obstruction is not as critical for photographic purposes as for visual observing. Therefore, for example, all professional reflector telescopes with several metres diameter have a clearly larger obstruction than an SC with Hyperstar and DSLR.
Question: what about collimating the Hyperstar optics?

Answer: the Hyperstar optics is collimated once at the first use. Switching back from the Hyperstar to the standard version does not require new collimation, as the normal secondary mirror is removed and, later, threaded in as complete, adjusted unit.
Question: has using the Hyperstar optics any disadvantages?

Answer: yes, you will never again want to go to bed in clear, moonless nights.

Hyperstar videos on Youtube


This is Hyperstar

How to install Hyperstar

Hyperstar Nighttime Demo

Hyperstar for C14
Effective focal ratio C11 SC + Hyperstar:f/1.9
Focal length C11 + Hyperstar:550 mm
Illuminated field of view:35 mm diameter
Working distance:59.7 mm inclusive male thread
Hyperstar System
Camera Adapter



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Starizona HyperStar counterweight for fork-mounted telescopes

Starizona HyperStar counterweight for fork-mounted telescopes

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