Starizona

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/...

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 ...

Note: This version of the Landing Pad is for the newer style silver Celestron tripods, not the original black tripods. It includes different bolts ...

Note: This version of the Landing Pad is for the original style black Celestron tripods, not the new silver tripods. Using a NexStar GPS telescope ...