Optec - TCF-Leo 3-inch Low Profile Focuser

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Optec has created a powerful 3" focuser with excellent backfocus for installing on telescope. It has a typical eyepiece width of 1-1/4" eyepiece and therefore is an excellent focusing option for telescopes with limited flange-to-focus distances such as the Celestron EdgeHD series. The FocusLynx control system is included TCF-Leo and can be expanded to provide control for a second focuser. The FocusLynx system includes optional 802.11 WiFi and Hand Control accessories.

SKU: OPT-19740
Manufactured by:
Optec
 

Product Description

Optec TCF-Leo 3-inch Low Profile Focuser

Optec has created a powerful 3" focuser with excellent backfocus for installing on telescope. It has a typical eyepiece width of 1-1/4" eyepiece and therefore is an excellent focusing option for telescopes with limited flange-to-focus distances such as the Celestron EdgeHD series. The FocusLynx control system is included TCF-Leo and can be expanded to provide control for a second focuser. The FocusLynx system includes optional 802.11 WiFi and Hand Control accessories.

The shape of the TCF-LEO is able to fit between the lock and focus knobs of the Celestron EdgeHD C-11 Optical Tube Assembly. The center to edge distance is approximately 2.2", the TCF-LEO works well with Innovation Foresight's On Axis Guider which enables large cameras and filter wheels to be used above either of the flat edges of the TCF-LEO. Also, the TCF-Leo's 3600 receiver fits directly on to the large 3-inch port of the Perseus Instrument Selector for ultra-fine focus of a large format camera.

Optec offers replacement knobs for people who have an EdgeHD Celestron C1400 telescope to replace the original knobs to accomodate the TCF-Leo. The Sure-Lock Mirror Support Clutch upgrade includes two brass replacement lock knobs that can easily be installed without tools.

Almost any telescope imaging system can be configured with standard Optec interfaces on both telescope and camera sides. Specify any of Optec's OPTEC-3600 telescope mounts or contact Precise Parts for a custom adapter to fit any telescope.

The TCF-Leo drawtube accepts any of Optec's OPTEC-3000 adapters made for the TCF-S3 and TCF-Lynx3 heavy duty focusers. The optional Precision Centering Adapters accepts any large 2" diagonal or eyepieces to be added behind the focuser. 

As a full 3-inch focuser, the TCF-Leo drawtube accepts any of our OPTEC-3000 adapters developed for the TCF-S3 and TCF-Lynx3 heavy duty focusers.  The optional Precision Centering Adapter allows any large 2-inch diagonal or eyepiece to be added behind the focuser.  

Functional Specifications:

  • Stepper Motor Control: bipolar and unipolar stepper motors,
  • Resolution: 16-bit controller with 65,535 step range per focuser,
  • PC Connectivity: USB/Serial, Ethernet, or optional 802.11 WiFi,
  • Hand Control: Optional 2-button with Digital Read-Out,
  • WiFi Connection: Optional 802.11b/g compatible,
  • Second Stepper: Optional plug-in daughter board,
  • Input Power: 12VDC univeral power supply (110 to 230VAC input),
  • Alternative Power: Field battery voltage (13.8VDC) with optional automotive cigarette lighter plug,
  • Software Drivers: ASCOM local server, X2 native drivers for TheSky X

FocusLynx Port Connections:

  • Focuser 1: RJ45 socket for standard Cat-5e/Cat-6 to focuser,
  • Focuser 2: Optional second stepper board for RJ45 socket,
  • Power: 12VDC input, 2.5 x 5.5mm plug, center pin positive,
  • Network: Standard RJ45 Ethernet socket,
  • Hand Controller: RJ22 socket for standard telephone handset cord,
  • Serial: RJ12 socket for Optec USB/Serial cable (included).

Specifications

Name Optec - TCF-Leo 3-inch Low Profile Focuser
Manufacturer Optec
Model OPT-19740
In The Box TCF-Leo Low Profile Focuser, FocusLynx Control Hub, Optec USB/Serial communications cable, 6-ft. length, CAT-5e/CAT-6 Ethernet cable, 6-ft. length, 12VDC 1.25A power supply - 110-240VAC input, UL/CSA compliant wall plug cord

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In the Box

TCF-Leo Low Profile Focuser,
FocusLynx Control Hub,
Optec USB/Serial communications cable, 6-ft. length,
CAT-5e/CAT-6 Ethernet cable, 6-ft. length,
12VDC 1.25A power supply - 110-240VAC input,
UL/CSA compliant wall plug cord