Focheggiatore 3.7" Deluxe Rack and Pinion

Codice articolo: TSFOC37

The Teleskop-Service alternative to the Starlight Feather Touch FTF 3545 refractor focuser - high-end focuser for refractors

rack and pinion Focuser
98 mm drawtube travel
Shifting-free support and precise adjustment even at maximum load
Bearing and adjustment are separated from each other
Adjustment via helical pinion
1:10 speed reduction for precise focusing for astrophotography
Connection at telescope side: M117x1 thread (female)
360° rotation with M100x1 thread (female), camera-side connection M92x1 thread (female)
M68x1, M92 connection threads (female) and of course 2" and 1.25" receptacle
Diameter of the drawtube: 110 mm
We will be happy to adapt the focuser to your telescope for you - item. no. Sonder125

The quality of this focuser comes close to the well-known Feather Touch focusers from Starlight. The large focuser allows even using full-frame size and medium-format cameras without vignetting, of course with suitable correctors.
Drawtube with rack & pinion drive - no friction - no bending like the Crayford focuser.
Internal baffles against reflections
Clear aperture: 102 mm
Drawtube travel: 98 mm
360° Rotation for optimal selection of the field of view
Self centering 2" and 1.25" adapter for correct clamping on the optical axis.
Connection thread for photo adaptions: M100x1 thread (female), M92x1 thread (female), M68x1 ZEISS style thread (female)

Lengths, retracted, measured from beginning of the 117 mm female thread:
103 mm to the end of the internal M100 thread (no rotation possible)
130 mm to the end of the internal M92 thread (rotation possible from here on)
142 mm to the end of the internal M68 thread
163 mm to the end of the 2" adapter
172 mm to the end of the 1.25" adapter