Seletek TARSIER controller

165,75 (price without TAX 136,98)

TARSIER, the most advanced autonomous motorized focusing system in the market!

Seletek TARSIER controller, the perfect match for astronomers with a portable setup and DSLR imaging.


  • Drives any kind of motor, from high accuracy steppers to inexpensive DC ones
  • Total control over the motor motion: continuous at a slow or fast speed, incremental fine, or coarse (user-configurable).
  • Back illuminated screen
  • Can save focus points (up to 16) and perform goto to any of them
  • Motor position always shown (except if in menus)
  • With the optional temperature sensor, will perform temperature compensated focusing
  • No PC needed
  • Designed for comfortable operation even wearing gloves
  • Backlash setting for the most accurate motion

Why is an external controller like the Armadillo, Platypus, Tarsier or Limpet better than an “all in one” (focuser with embedded motor and cables)?

Technical specifications:

  • 12 V cc operation -standard power jack, positive inside- (*)
  • 8×2 character LCD, with backlight in red color
  • DB9 plug for stepper motors (such as our own, time-proven 3600 steps/turn motor, or others from Robofocus, Moonlite, Lakeside, Feathertouch…)
  • Mono audio jack for DC motors (such as Orion’s, Rigel systems…)
  • Size: 144*95mm

(*) If you want the power supply cable for car lighter plug, please click here.

You can purchase just the controller (this item) for your existing motorized focuser, or a complete set SELETEK Tarsier focuser kit with temperature sensor, which includes:

(1) Select your focuser model focuser according to the images shown here. In case of doubt, please contact us.



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