Rack and Pinion 2.5" Focuser with M90x1 Ingrandisci

Rack and Pinion 2.5" Focuser with M90x1

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TS-Optics 2.5" Rack and Pinion Focuser with M90x1 Connection and 360° Rotation

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TSFOCR25S

Disponibilità: ultimo pezzoin consegna rapida

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306,00 € 306 EUR 2022-11-03

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Codice articolo: TSFOCR25S

  • The eyepiece extension with rack and pinion drive is made for telescope do-it-yourself construction and upgrade
    ♦ Load capacity up to 4 kg

    ♦ Ideal for astrophotography

    ♦ Connection thread on the telescope side: M90x1 female thread with 360° rotation

    ♦ Connection on the eyepiece side: 2" and 1.25" receptacle with ring clamp and M63x1 female thread

    ♦ Shortest distance from M90x1 female thread to 2" receptacle: 108 mm

    ♦ Shortest distance from M90x1 female thread to M63x1 connecting thread: 84 mm

    ♦ Draw tube travel: 55 mm

    ♦ The draw tube and the adjustment can be clamped separately.

    ♦ 10x dual speed allows for high-precision focusing in astrophotography

    ♦ Inclusive finder shoe for standard finder holder

    ♦ Motor focus can be retrofitted

 
 TS-Optics 2.5" Rack and Pinion Focuser with M90x1 Connection and 360° Rotation [EN]

TS 2.5" Rack and Pinion Focuser for Telescope Self-Construction and Telescope Upgrade
This focuser is superior to conventional Crayford focusers because bearings and adjustment are decoupled from each other. This allows a sensitive adjustment with a good bearing arrangement, even with maximum load.

 TS-Optics 2.5" Rack and Pinion Focuser with M90x1 Connection and 360° Rotation [EN]

  • Rack And Pinion Adjustment:
    A conventional Crayford focuser works with contact pressure. The weaker the pressure, the smoother the focuser, whereby there is always the risk of slipping, because adjustment and bearing are combined. This focuser is quite different:

    The draw tube is solidly supported by ball bearings. The bearing arrangement is optimized to achieve maximum rigidity. The adjustment of the draw tube is achieved via a helical toothed rack. The advantage is an absolutely smooth adjustment.

    The clamping of the focuser position is also optimized. No clamping screw simply presses on the drawtube, but the position of the adjustment is fixed. The focus position is thus maintained at 100%.

 

 TS-Optics 2.5" Rack and Pinion Focuser with M90x1 Connection and 360° Rotation [EN]

Easy adaptation to your telescope via the M90x1 connection thread:
The focuser has an M90x1 female thread as connection on the telescope side. In addition, you can rotate the complete focuser by 360° to always have a comfortable focusing position. We are also happy to manufacture individual transition adapters for your telescope. Please note, however, that the clear aperture on the focuser of your telescope must be at least 74 mm. This is the diameter of the draw tube with the rack.

 TS-Optics 2.5" Rack and Pinion Focuser with M90x1 Connection and 360° Rotation [EN]

  • Specifiche tecniche: 
  • Focuser type: Rack & pinion focuser
    Payload: 4 kg
    Connection thread on the telescope side: M90x1 female thread, 12 mm deep
    Connection on the eyepiece side: 2", 1.25" and M63x1 female thread
    Shortest overall height from M90 thread connection to 2": 108 mm
    Shortest overall height from M90 thread connection to M63x1 female thread: 84 mm
    Travel: 55 mm
    Weight: 1240 g
  • Materiale consegnato: 
  • ♦ 2.5" focuser
    ♦ M90 telescope connection adapter with 360° rotation
    ♦ 2" adapter with compression ring to the M63 connection thread
    ♦ 1.25" receptacle with compression ring and 2" filter thread

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