Starlight 3,5" Feather Touch Focuser - 1.375" Draw Tube Travel
Starlight Instruments 3.5" Feather Touch dual speed focuser - 35 mm travel
The biggest focuser of Starlight Instruments is perfect for high-end Newtonian telescopes.The advantages of the Feather-Touch focusers from Starlight:
- 100% correct position of of the image plane - no tilting or bending
- good illumination also for larger sensors
- gear reduction for exact focusing
- free adaption to different telescope types (connection adapters can be found at the accessories recommendations)
- Brake for adjusting of the drag makes clamping unnecessary
- adjusting and bearing are uncoupled
- brass gear rack and hardened stainless steel gear wheels ensures precise adjustment even under maximum load
- long life cycle - the Feather Touch focuser is made for at least the life of the telesope it is attached to
- wide range of accessories and adapters available, including motorisation
connection adapters to the telescope and eypiece-side adapters are not included in the scope of delivery.
Connection adapters to the telescope are listed under "Accessories for mounts".
Eyepiece-side and camera-side adapters are listed under "Adaptors".
In the box:
The FTF3515B-A is a high-end focuser for APO refractor telescopes or big RCs which are equipped with large 32 correctors for astrophotography.