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RPA82

TS Optics

TS-Optics 2.5" Rack and Pinion Focuser with M82x1 telescope connection

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RPA82

Disponibilità: disponibile in 24/48 ore

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249,00 € 249 EUR

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Codice articolo: RPA82

  • Ball bearing mounted focuser with rack and pinion adjustment for telescope making and retrofitting of apochromats and Cassegrain telescopes
  • ♦ Load capacity up to 4 kg
  • ♦ Perfectly suitable for astrophotography
  • ♦ Connection thread at the telescope side: M82x1 (female)
  • ♦ Connection at the eyepiece side: 2", 1.25" and M63x1 thread (female)
  • ♦ Shortest height from the M82 thread to 2": 131 mm
  • ♦ Travel: 80 mm
  • ♦ Support: ball bearing
  • ♦ Adjustment via rack and pinion
  • ♦ Dual speed: 1/10 reduction
  • ♦ Two M4 threads (female) for mounting finder shoes

 

 TS-Optics 2.5" Rack and Pinion Focuser with M82x1 telescope connection [EN]

TS-Optics 2.5" Deluxe Focuser with Rack and Pinion Adjustment
The focuser is superior to conventional Crayford focusers. Drawtube bearing and adjustment are decoupled from each other. This allows for a stiffer support and yet a very sensitive adjustment even at maximum load.

 TS-Optics 2.5" Rack and Pinion Focuser with M82x1 telescope connection [EN]

Rack and pinion adjustment:
Coventional Crayford focusers use pressure. The weaker the pressure, the easier the motion, but also the higher the risk of slipping, as adjustment and bearing are coupled. This focuser is quite different:

The drawtube is permanently supported by ball bearings. The bearing is optimized in a way which results in maximum stiffness. The adjustment of the drawtube is achieved by a helical cut rack. The advantage is an absolutely jump-free adjustment.

Locking of the drawtube position was also optimized. No locking screw presses on the drawtube, insted the position of the adjusting machanism is locked. In this way, focus position can be held perfectly.

Individual adaption to your telescope:
We will be pleased to assemble an individual telescope adaption for you, too. Use our special adapter Sonder125 for your order (see accessory recommendations).

 TS-Optics 2.5" Rack and Pinion Focuser with M82x1 telescope connection [EN]

Technical Data:

Type: Rack & pinion focuser
Payload: 4 kg
Connection thread at the telescope side: M82x1 (female)
Connection at the eyepiece side: 2", 1.25" and M63x1 thread (female)
Shortest height from the M82 thread to 2": 131 mm
Travel: 80 mm

In the box:

- 2.5" Focuser
- Reduction from M63 to 2" with compression ring
- Redction from 2" to 1.25" with compression ring

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