TCF-Lynx3 3" Temperature Compensating Focuser - 19706-NC
Optec
TCF-Lynx3 3" Temperature Compensating Focuser - 19706-NC is a motorized focusing accessory for repeatable autofocus during long imaging sessions.
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Specifications
Mechanical
- Focuser type
- Temperature-compensating electronic focuser
- Focuser diameter
- 3"
Use
- Primary use
- Repeatable electronic focus for imaging automation
Astrophotography Fit
Best for automated rigs where temperature-compensated focus and repeatable motion matter.
TCF-Lynx3 3" Temperature Compensating Focuser - 19706-NC 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 Cloud Break Optics | $1495.00 | In stock Updated 5/9/2026 | View Offer - $1495.00 |