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Condition:
This is a used Hyperstar 6 v4 for a 6" SCT. It is in excellent optical quality, with no sleeks, smudges, or scratches on the glass. This includes the Hyperstar itself, the secondary mirror holder, secondary mirror mounting plate with knob, box and dust caps. This includes an additional "Adapter top replacement" that is the M42 thread size:
It also has a portion of the camera adapter that it typically comes with. The camera adapter is typically two pieces (with unknown spacing size) so we are not sure how this will work on its own for achieving focus. The camera adapter itself is available on the Starizona website here:
https://starizona.com/products/hyperstar-camera-adapter?variant=37744583803042
We have taken this missing piece into account in the pricing.
Description:
HyperStar is based on Celestron's innovative Fastar feature. This feature allows the secondary mirror to be removed from Celestron's Schmidt-Cassegrain telescopes. By mounting the HyperStar lens assembly in place of the secondary mirror, a CCD camera can be mounted at the front of the telescope allowing for a wider field of view and much faster imaging.
The HyperStar lens assembly works with a variety of cameras. Different cameras require different adapters, however. One adapter is included with the HyperStar lens. Please specify the camera being used when ordering.
A holder is included for safe storage of the secondary mirror while imaging.
The HyperStar systems allows the telescope to operate at a focal ratio of f/2, an incredible 25 times faster than the standard f/10 focal ratio! Images can be obtained in just seconds!
Specifications
- Focal Ratio: f/2
- Focal Length: 300mm
- Maximum Usable Sensor Size: 28mm Diagonal
- Camera Adapter Threaded for 2" Filters
- Backfocus (from mounting thread to focal plane): 39.8mm (1.567")
- Length (without camera adapter): 3.3"
- Diameter: 2.8"
- Weight: Less than 1 lb.