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Here is a versatile adapter that can be used for a couple of things. It has a 2" nosepiece on one side and an external SCT male thread on the other.
Do you have a 2" GSO SCT diagonal (standard or dielectric) that you want to use with a refractor but cannot? Here is the solution you need! You can simply unscrew the SCT adapter on the telescope end of your GSO SCT diagonal. Then insert this barrel in its place and you can now use your SCT diagonal in 2" refractor focusers. It will work with all GSO-made diagonals that have a female SCT thread on the body and sold under the following brand names: Antares (some models), Burgess, OPT, SmartAstronomy, Antares, etc. It will also work with diagonals from some other manufacturers as long the diagonal has a standard female SCT thread but there is no guarantee (or information) of compatibility. Will not work with William Optics diagonals.
You can also use this barrel as an SCT-2" adapter to use your SCT-threaded accessories in a 2" focuser. The barrel has a standard SCT thread (male) on one end so you can attach any accessory that has female SCT threads. As an example, you can attach a f/6.3 SCT focal reducer to this adapter and use the combination in a refractor focuser.
The barrel is made of aluminum and threaded to accept standard 2" filters. |
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