1.25″ Filter Thread
You can screw 1.25″ filters or other parts using the 1.25″ filter thread (M28.5×0.6) into the FA 1 adaptor. This allows you to use nebular filters or city-light reduction filters for imaging.
- Prime Focus Adaptor 1.25″ for Nikon DSLR Camera, The adapter has a thread for standard 1.25″ filters. It is fully aluminium and anodized black.
- T-Adapter and Nikon T-Ring for prime focus photography with your telescope. The adapter fits into any 1.25 inches eyepiece socket and you can attach directly your Nikon DSLR camera.
- Which telescopes you can use with your DSLR and this adapter: each Refractor with 1.25″, each Cassegrain, Schmidt Cassegrain or Maksutov