If you have a Takahashi FS128 and want to switch to a 3 inch focus lens, for example for finer focusing or a larger camera, then you need a suitable adapter. If you are looking for a Takahashi FS128 focus adapter, this Starlight Instruments set includes adapters to place a 3 inch Feather Touch on the spot of the original focus lens.
The FS128 is a 128 mm fluorite refractor that is widely used by visual observers and astrophotographers. You can find more telescopes of this type at our store. Refracting telescopes.
Check beforehand whether the connection on the back of your FS128 matches these adapters. After the conversion, the length of the light path may change, so check that the eyepieces and camera are still sharp. If you are using a flatener, also adjust the distance to the camera again. You can read more about this in our guide on photographing stars.
For the FS128 there is also a separate Starlight tube adapter ring. Look at which parts your conversion needs.
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