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Optec Inc. TCF-S/TCF-S3 firmware upgrade PIC chip
$25.00
TCF-S Focusers with revision 4 - specify firmware v2.40
TCF-S Focuser Revision 5control boards - specify firmware v4.12
TCF-Si / TCF-S3i Focusers - specify firmware v3.12
Replacement Instructions
Optec Inc. Replace RS232 interface chip, TCF-S focuser, IFW filter wheel, Pyxis rotator or SSP-3/4/5
$25.00
Replacement MAX232 serial UART chip in 16-pin DIP (dual inline package) format. This replacement serial chip fits most Optec electronic controllers and is easily replaced. Compatible With FocusLynx and FocusBoss...
Optec Inc. Replacement temperature probe for TCF/Gemini focusers
$45.00
Replacement temperature sensor probe for TCF / Gemini focusers. Standard length is 20-inches.
Optec Inc. Sure-Lock Mirror Support Clutch Knobs for Celestron EdgeHD OTA
$95.00
Replacement brass lock nuts for Celestron EdgeHD mirror locking knobs. Made from solid 360 Brass alloy. Set of two.