Starizona Summer Sale

The Starizona EvoFF field flattener turns the Skywatcher Evoguide 50 into a sharp, portable, wide-field imaging scope. The EvoFF has also been test...

Performance The diagram above shows how the SCT Corrector improves the off-axis spot size on a Celestron 11" SCT. Performance is similar on other ...

Turn your Newtonian telescope into a fast, high-quality astrographic instrument with the Starizona Nexus focal reducer.Newtonian telescopes r...

Starizona's SCT Corrector has been an incredibly popular focal reducer and coma corrector, giving astrophotographers with standard Schmidt-Cassegr...

With the Apex ED reducer, an f/5.5 apo refractor becomes an incredibly fast f/3.6 astrograph. A slower f/9 telescope like an RC becomes a speedy f/...

* HYPERSTAR USERS: If you're ordering a Modular Filter Slider to use with your HyperStar, you will also need to purchase a Filter Slider Adapter...

  Dr. David H. Levy on HyperStar How to Install Your HyperStar HyperStar Promo Video The HyperStar 6 replaces the secondar...

  Dr. David H. Levy on HyperStar How to Install Your HyperStar HyperStar Promo Video The HyperStar 8 replaces the secondar...

  Dr. David H. Levy on HyperStar How to Install Your HyperStar HyperStar Promo Video The HyperStar 9.25 works with any Fas...

  Dr. David H. Levy on HyperStar How to Install Your HyperStar HyperStar Promo Video The HyperStar 11 replaces the seconda...

  Dr. David H. Levy on HyperStar How to Install Your HyperStar HyperStar Promo Video The HyperStar 14 replaces the seconda...

Important things to know about HyperStar adapters: DSLR adapters will not work with the Filter Slider Filter Slider Adapters do not come with a St...

The only purpose of this adapter is to replace the top of an already existing HyperStar adapter to change its thread type.  An example of this is i...

Holds standard 2" mounted filters with 48mm threads. Be sure to choose the correct version of Filter Slider you have.