Do you want to focus very precisely with your Takahashi FS128 or do you work with a heavier astrocamera, If that is the case, a Feather Touch focus is a welcome addition. This adapter ring for the Takahashi FS128 replaces the original focus ring and forms the connection between the tube and a Feather Touch focus from Starlight Instruments.
The FS128 is a fluorite refractor with a large aperture. First, check which Feather Touch focus lens you want to use and whether it fits this ring. That way you won't end up with an adapter that doesn't fit.
Keep the lens covered while changing the focus ring, and work in a clean, dust-free space.
There are also 3 inch Feather Touch versions available. Focus adapter for the FS128 in 3 inch.
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