Gear Database

EFA kit Electronic Focuser - CDK12.5

PlaneWave

EFA kit Electronic Focuser - CDK12.5 is a motorized focusing accessory for repeatable autofocus during long imaging sessions.

autofocuser-motor midrange
EFA kit Electronic Focuser - CDK12.5

Best Current Offer

Cloud Break Optics logo
Cloud Break Optics
In stock
$920.00

Specifications

Mechanical

Focuser type
Electronic focuser

Compatibility

Compatibility
PlaneWave CDK12.5

Electronics

Controller
Electronic motor control

Use

Primary use
Repeatable electronic focus for imaging automation

Specifications

Interface
ASCOM compatible

Astrophotography Fit

Best for imaging rigs where focus changes with temperature, filters, or long unattended sequences.

EFA kit Electronic Focuser - CDK12.5 controls focus, which is one of the highest-leverage parts of an imaging rig. Electronic focus makes autofocus after temperature shifts, filter changes, and meridian flips practical.

Check mechanical compatibility, drawtube travel, load capacity, backlash, software support, and available adapters before buying. A focuser that fits poorly can add tilt or slip under camera weight.

Best paired with

  • Refractors, SCTs, CDKs, or astrographs with compatible focus hardware
  • ASIAIR, NINA, Voyager, FocusLynx, ASCOM, or INDI workflows as supported
  • Mono filter-wheel rigs that need filter offsets and repeatable focus

Not recommended for

  • Purely visual grab-and-go observing
  • Focusers with unsupported brackets, backlash, slip, or insufficient payload
  • Users unwilling to calibrate step size, backlash, and temperature behavior

Where To Buy

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Retailer Price Availability View Offer
Cloud Break Optics logo
Cloud Break Optics
Cloud Break Optics
$920.00
In stock
Updated 5/15/2026
View Offer - $920.00